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Finding the Fourth Proportional to 606,502.10, 909,753.15 and 157,219.40

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Solution

The fourth proportional to 606,502.10, 909,753.15 and 157,219.40 is: 235,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,502.10 : 909,753.15 = 157,219.40 : x
  2. Step 2: Convert to fraction form
    606,502.10/909,753.15 = 157,219.40/x
  3. Step 3: Cross multiply
    606,502.10x = 909,753.15 × 157,219.40
  4. Step 4: Simplify right side
    606,502.10x = 143,030,844,391.11
  5. Step 5: Solve for x
    x = 143,030,844,391.11/606,502.10
  6. Step 6: Final answer
    x = 235,829.10

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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.