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Finding the Fourth Proportional to 532,401.04, 797,793.50 and 390,340.88

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Solution

The fourth proportional to 532,401.04, 797,793.50 and 390,340.88 is: 584,918.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,401.04 : 797,793.50 = 390,340.88 : x
  2. Step 2: Convert to fraction form
    532,401.04/797,793.50 = 390,340.88/x
  3. Step 3: Cross multiply
    532,401.04x = 797,793.50 × 390,340.88
  4. Step 4: Simplify right side
    532,401.04x = 311,411,414,896.58
  5. Step 5: Solve for x
    x = 311,411,414,896.58/532,401.04
  6. Step 6: Final answer
    x = 584,918.88

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1.5x scale

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.