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Finding the Fourth Proportional to 410,013.60, 615,106.80 and 173,234.40

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Solution

The fourth proportional to 410,013.60, 615,106.80 and 173,234.40 is: 259,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,013.60 : 615,106.80 = 173,234.40 : x
  2. Step 2: Convert to fraction form
    410,013.60/615,106.80 = 173,234.40/x
  3. Step 3: Cross multiply
    410,013.60x = 615,106.80 × 173,234.40
  4. Step 4: Simplify right side
    410,013.60x = 106,557,657,433.92
  5. Step 5: Solve for x
    x = 106,557,657,433.92/410,013.60
  6. Step 6: Final answer
    x = 259,888.10

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1.5x scale

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.