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Finding the Fourth Proportional to 971,034.30, 1,357,676.55 and 971,034.30

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Solution

The fourth proportional to 971,034.30, 1,357,676.55 and 971,034.30 is: 1,357,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,034.30 : 1,357,676.55 = 971,034.30 : x
  2. Step 2: Convert to fraction form
    971,034.30/1,357,676.55 = 971,034.30/x
  3. Step 3: Cross multiply
    971,034.30x = 1,357,676.55 × 971,034.30
  4. Step 4: Simplify right side
    971,034.30x = 1,318,350,498,355.67
  5. Step 5: Solve for x
    x = 1,318,350,498,355.67/971,034.30
  6. Step 6: Final answer
    x = 1,357,676.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.