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Finding the Fourth Proportional to 352,327.86, 528,572.52 and 152,681.76

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Solution

The fourth proportional to 352,327.86, 528,572.52 and 152,681.76 is: 229,057.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,327.86 : 528,572.52 = 152,681.76 : x
  2. Step 2: Convert to fraction form
    352,327.86/528,572.52 = 152,681.76/x
  3. Step 3: Cross multiply
    352,327.86x = 528,572.52 × 152,681.76
  4. Step 4: Simplify right side
    352,327.86x = 80,703,382,641.24
  5. Step 5: Solve for x
    x = 80,703,382,641.24/352,327.86
  6. Step 6: Final answer
    x = 229,057.62

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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.