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Finding the Fourth Proportional to 592,362.40, 887,960.40 and 292,889.20

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Solution

The fourth proportional to 592,362.40, 887,960.40 and 292,889.20 is: 439,045.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,362.40 : 887,960.40 = 292,889.20 : x
  2. Step 2: Convert to fraction form
    592,362.40/887,960.40 = 292,889.20/x
  3. Step 3: Cross multiply
    592,362.40x = 887,960.40 × 292,889.20
  4. Step 4: Simplify right side
    592,362.40x = 260,074,011,187.68
  5. Step 5: Solve for x
    x = 260,074,011,187.68/592,362.40
  6. Step 6: Final answer
    x = 439,045.44

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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.