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Finding the Fourth Proportional to 615,043.76, 922,604.48 and 260,011.04

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Solution

The fourth proportional to 615,043.76, 922,604.48 and 260,011.04 is: 390,032.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,043.76 : 922,604.48 = 260,011.04 : x
  2. Step 2: Convert to fraction form
    615,043.76/922,604.48 = 260,011.04/x
  3. Step 3: Cross multiply
    615,043.76x = 922,604.48 × 260,011.04
  4. Step 4: Simplify right side
    615,043.76x = 239,887,350,353.46
  5. Step 5: Solve for x
    x = 239,887,350,353.46/615,043.76
  6. Step 6: Final answer
    x = 390,032.98

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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.