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Finding the Fourth Proportional to 595,978.20, 895,004.10 and 316,042.20

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Solution

The fourth proportional to 595,978.20, 895,004.10 and 316,042.20 is: 474,613.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,978.20 : 895,004.10 = 316,042.20 : x
  2. Step 2: Convert to fraction form
    595,978.20/895,004.10 = 316,042.20/x
  3. Step 3: Cross multiply
    595,978.20x = 895,004.10 × 316,042.20
  4. Step 4: Simplify right side
    595,978.20x = 282,859,064,773.02
  5. Step 5: Solve for x
    x = 282,859,064,773.02/595,978.20
  6. Step 6: Final answer
    x = 474,613.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.