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Finding the Fourth Proportional to 604,901.60, 907,352.40 and 161,669.60

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Solution

The fourth proportional to 604,901.60, 907,352.40 and 161,669.60 is: 242,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,901.60 : 907,352.40 = 161,669.60 : x
  2. Step 2: Convert to fraction form
    604,901.60/907,352.40 = 161,669.60/x
  3. Step 3: Cross multiply
    604,901.60x = 907,352.40 × 161,669.60
  4. Step 4: Simplify right side
    604,901.60x = 146,691,299,567.04
  5. Step 5: Solve for x
    x = 146,691,299,567.04/604,901.60
  6. Step 6: Final answer
    x = 242,504.40

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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.