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Finding the Fourth Proportional to 882,020.32, 1,217,311.14 and 537,820

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Solution

The fourth proportional to 882,020.32, 1,217,311.14 and 537,820 is: 742,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,020.32 : 1,217,311.14 = 537,820 : x
  2. Step 2: Convert to fraction form
    882,020.32/1,217,311.14 = 537,820/x
  3. Step 3: Cross multiply
    882,020.32x = 1,217,311.14 × 537,820
  4. Step 4: Simplify right side
    882,020.32x = 654,694,277,314.80
  5. Step 5: Solve for x
    x = 654,694,277,314.80/882,020.32
  6. Step 6: Final answer
    x = 742,266.66

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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.