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Finding the Fourth Proportional to 592,034.80, 887,323.20 and 402,494.80

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Solution

The fourth proportional to 592,034.80, 887,323.20 and 402,494.80 is: 603,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,034.80 : 887,323.20 = 402,494.80 : x
  2. Step 2: Convert to fraction form
    592,034.80/887,323.20 = 402,494.80/x
  3. Step 3: Cross multiply
    592,034.80x = 887,323.20 × 402,494.80
  4. Step 4: Simplify right side
    592,034.80x = 357,142,973,919.36
  5. Step 5: Solve for x
    x = 357,142,973,919.36/592,034.80
  6. Step 6: Final answer
    x = 603,246.59

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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.