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Finding the Fourth Proportional to 410,925.30, 615,999.15 and 242,574.90

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Solution

The fourth proportional to 410,925.30, 615,999.15 and 242,574.90 is: 363,632.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,925.30 : 615,999.15 = 242,574.90 : x
  2. Step 2: Convert to fraction form
    410,925.30/615,999.15 = 242,574.90/x
  3. Step 3: Cross multiply
    410,925.30x = 615,999.15 × 242,574.90
  4. Step 4: Simplify right side
    410,925.30x = 149,425,932,211.34
  5. Step 5: Solve for x
    x = 149,425,932,211.34/410,925.30
  6. Step 6: Final answer
    x = 363,632.84

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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.