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Finding the Fourth Proportional to 468,064.80, 702,788.40 and 363,002.40

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Solution

The fourth proportional to 468,064.80, 702,788.40 and 363,002.40 is: 545,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,064.80 : 702,788.40 = 363,002.40 : x
  2. Step 2: Convert to fraction form
    468,064.80/702,788.40 = 363,002.40/x
  3. Step 3: Cross multiply
    468,064.80x = 702,788.40 × 363,002.40
  4. Step 4: Simplify right side
    468,064.80x = 255,113,875,892.16
  5. Step 5: Solve for x
    x = 255,113,875,892.16/468,064.80
  6. Step 6: Final answer
    x = 545,039.65

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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.