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Finding the Fourth Proportional to 592,039.80, 887,330.70 and 402,499.80

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Solution

The fourth proportional to 592,039.80, 887,330.70 and 402,499.80 is: 603,254.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,039.80 : 887,330.70 = 402,499.80 : x
  2. Step 2: Convert to fraction form
    592,039.80/887,330.70 = 402,499.80/x
  3. Step 3: Cross multiply
    592,039.80x = 887,330.70 × 402,499.80
  4. Step 4: Simplify right side
    592,039.80x = 357,150,429,283.86
  5. Step 5: Solve for x
    x = 357,150,429,283.86/592,039.80
  6. Step 6: Final answer
    x = 603,254.09

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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.