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Finding the Fourth Proportional to 477,007.98, 715,545.09 and 161,358.18

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Solution

The fourth proportional to 477,007.98, 715,545.09 and 161,358.18 is: 242,048.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,007.98 : 715,545.09 = 161,358.18 : x
  2. Step 2: Convert to fraction form
    477,007.98/715,545.09 = 161,358.18/x
  3. Step 3: Cross multiply
    477,007.98x = 715,545.09 × 161,358.18
  4. Step 4: Simplify right side
    477,007.98x = 115,459,053,430.34
  5. Step 5: Solve for x
    x = 115,459,053,430.34/477,007.98
  6. Step 6: Final answer
    x = 242,048.47

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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.