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Finding the Fourth Proportional to 592,378.40, 887,984.40 and 292,905.20

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Solution

The fourth proportional to 592,378.40, 887,984.40 and 292,905.20 is: 439,069.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,378.40 : 887,984.40 = 292,905.20 : x
  2. Step 2: Convert to fraction form
    592,378.40/887,984.40 = 292,905.20/x
  3. Step 3: Cross multiply
    592,378.40x = 887,984.40 × 292,905.20
  4. Step 4: Simplify right side
    592,378.40x = 260,095,248,278.88
  5. Step 5: Solve for x
    x = 260,095,248,278.88/592,378.40
  6. Step 6: Final answer
    x = 439,069.43

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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.