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Finding the Fourth Proportional to 648,800.22, 895,371.50 and 373,158.15

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Solution

The fourth proportional to 648,800.22, 895,371.50 and 373,158.15 is: 514,973.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,800.22 : 895,371.50 = 373,158.15 : x
  2. Step 2: Convert to fraction form
    648,800.22/895,371.50 = 373,158.15/x
  3. Step 3: Cross multiply
    648,800.22x = 895,371.50 × 373,158.15
  4. Step 4: Simplify right side
    648,800.22x = 334,115,172,502.73
  5. Step 5: Solve for x
    x = 334,115,172,502.73/648,800.22
  6. Step 6: Final answer
    x = 514,973.89

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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.