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Finding the Fourth Proportional to 410,053.40, 615,080.10 and 114,565.40

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Solution

The fourth proportional to 410,053.40, 615,080.10 and 114,565.40 is: 171,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,053.40 : 615,080.10 = 114,565.40 : x
  2. Step 2: Convert to fraction form
    410,053.40/615,080.10 = 114,565.40/x
  3. Step 3: Cross multiply
    410,053.40x = 615,080.10 × 114,565.40
  4. Step 4: Simplify right side
    410,053.40x = 70,466,897,688.54
  5. Step 5: Solve for x
    x = 70,466,897,688.54/410,053.40
  6. Step 6: Final answer
    x = 171,848.10

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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.