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Finding the Fourth Proportional to 615,101.10, 922,651.65 and 615,101.10

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Solution

The fourth proportional to 615,101.10, 922,651.65 and 615,101.10 is: 922,651.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,101.10 : 922,651.65 = 615,101.10 : x
  2. Step 2: Convert to fraction form
    615,101.10/922,651.65 = 615,101.10/x
  3. Step 3: Cross multiply
    615,101.10x = 922,651.65 × 615,101.10
  4. Step 4: Simplify right side
    615,101.10x = 567,524,044,831.82
  5. Step 5: Solve for x
    x = 567,524,044,831.82/615,101.10
  6. Step 6: Final answer
    x = 922,651.65

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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.