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Finding the Fourth Proportional to 565,101.45, 847,652.18 and 191,124.45

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Solution

The fourth proportional to 565,101.45, 847,652.18 and 191,124.45 is: 286,686.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,101.45 : 847,652.18 = 191,124.45 : x
  2. Step 2: Convert to fraction form
    565,101.45/847,652.18 = 191,124.45/x
  3. Step 3: Cross multiply
    565,101.45x = 847,652.18 × 191,124.45
  4. Step 4: Simplify right side
    565,101.45x = 162,007,055,738.18
  5. Step 5: Solve for x
    x = 162,007,055,738.18/565,101.45
  6. Step 6: Final answer
    x = 286,686.68

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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.