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Finding the Fourth Proportional to 625,373.10, 863,020.17 and 367,182.90

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Solution

The fourth proportional to 625,373.10, 863,020.17 and 367,182.90 is: 506,715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,373.10 : 863,020.17 = 367,182.90 : x
  2. Step 2: Convert to fraction form
    625,373.10/863,020.17 = 367,182.90/x
  3. Step 3: Cross multiply
    625,373.10x = 863,020.17 × 367,182.90
  4. Step 4: Simplify right side
    625,373.10x = 316,886,248,779.09
  5. Step 5: Solve for x
    x = 316,886,248,779.09/625,373.10
  6. Step 6: Final answer
    x = 506,715.51

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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.