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Finding the Fourth Proportional to 633,133.60, 949,700.40 and 189,901.60

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Solution

The fourth proportional to 633,133.60, 949,700.40 and 189,901.60 is: 284,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,133.60 : 949,700.40 = 189,901.60 : x
  2. Step 2: Convert to fraction form
    633,133.60/949,700.40 = 189,901.60/x
  3. Step 3: Cross multiply
    633,133.60x = 949,700.40 × 189,901.60
  4. Step 4: Simplify right side
    633,133.60x = 180,349,625,480.64
  5. Step 5: Solve for x
    x = 180,349,625,480.64/633,133.60
  6. Step 6: Final answer
    x = 284,852.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.