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Finding the Fourth Proportional to 709,088.80, 1,063,402.80 and 235,693.60

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Solution

The fourth proportional to 709,088.80, 1,063,402.80 and 235,693.60 is: 353,463.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,088.80 : 1,063,402.80 = 235,693.60 : x
  2. Step 2: Convert to fraction form
    709,088.80/1,063,402.80 = 235,693.60/x
  3. Step 3: Cross multiply
    709,088.80x = 1,063,402.80 × 235,693.60
  4. Step 4: Simplify right side
    709,088.80x = 250,637,234,182.08
  5. Step 5: Solve for x
    x = 250,637,234,182.08/709,088.80
  6. Step 6: Final answer
    x = 353,463.82

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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.