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Finding the Fourth Proportional to 625,244.84, 862,740.38 and 370,554.92

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Solution

The fourth proportional to 625,244.84, 862,740.38 and 370,554.92 is: 511,308.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,244.84 : 862,740.38 = 370,554.92 : x
  2. Step 2: Convert to fraction form
    625,244.84/862,740.38 = 370,554.92/x
  3. Step 3: Cross multiply
    625,244.84x = 862,740.38 × 370,554.92
  4. Step 4: Simplify right side
    625,244.84x = 319,692,692,491.67
  5. Step 5: Solve for x
    x = 319,692,692,491.67/625,244.84
  6. Step 6: Final answer
    x = 511,308.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.