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Finding the Fourth Proportional to 592,030.80, 887,317.20 and 402,490.80

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Solution

The fourth proportional to 592,030.80, 887,317.20 and 402,490.80 is: 603,240.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,030.80 : 887,317.20 = 402,490.80 : x
  2. Step 2: Convert to fraction form
    592,030.80/887,317.20 = 402,490.80/x
  3. Step 3: Cross multiply
    592,030.80x = 887,317.20 × 402,490.80
  4. Step 4: Simplify right side
    592,030.80x = 357,137,009,681.76
  5. Step 5: Solve for x
    x = 357,137,009,681.76/592,030.80
  6. Step 6: Final answer
    x = 603,240.59

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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.