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Finding the Fourth Proportional to 463,805.60, 696,226.80 and 359,088.80

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Solution

The fourth proportional to 463,805.60, 696,226.80 and 359,088.80 is: 539,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,805.60 : 696,226.80 = 359,088.80 : x
  2. Step 2: Convert to fraction form
    463,805.60/696,226.80 = 359,088.80/x
  3. Step 3: Cross multiply
    463,805.60x = 696,226.80 × 359,088.80
  4. Step 4: Simplify right side
    463,805.60x = 250,007,246,139.84
  5. Step 5: Solve for x
    x = 250,007,246,139.84/463,805.60
  6. Step 6: Final answer
    x = 539,034.56

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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.