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Finding the Fourth Proportional to 898,117.10, 1,347,175.65 and 365,363.90

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Solution

The fourth proportional to 898,117.10, 1,347,175.65 and 365,363.90 is: 548,045.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,117.10 : 1,347,175.65 = 365,363.90 : x
  2. Step 2: Convert to fraction form
    898,117.10/1,347,175.65 = 365,363.90/x
  3. Step 3: Cross multiply
    898,117.10x = 1,347,175.65 × 365,363.90
  4. Step 4: Simplify right side
    898,117.10x = 492,209,349,469.04
  5. Step 5: Solve for x
    x = 492,209,349,469.04/898,117.10
  6. Step 6: Final answer
    x = 548,045.85

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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.