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Finding the Fourth Proportional to 615,035.80, 922,678.22 and 260,049.24

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Solution

The fourth proportional to 615,035.80, 922,678.22 and 260,049.24 is: 390,126.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,035.80 : 922,678.22 = 260,049.24 : x
  2. Step 2: Convert to fraction form
    615,035.80/922,678.22 = 260,049.24/x
  3. Step 3: Cross multiply
    615,035.80x = 922,678.22 × 260,049.24
  4. Step 4: Simplify right side
    615,035.80x = 239,941,769,875.55
  5. Step 5: Solve for x
    x = 239,941,769,875.55/615,035.80
  6. Step 6: Final answer
    x = 390,126.51

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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.