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Finding the Fourth Proportional to 559,360.08, 838,389.15 and 319,642.02

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Solution

The fourth proportional to 559,360.08, 838,389.15 and 319,642.02 is: 479,091.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,360.08 : 838,389.15 = 319,642.02 : x
  2. Step 2: Convert to fraction form
    559,360.08/838,389.15 = 319,642.02/x
  3. Step 3: Cross multiply
    559,360.08x = 838,389.15 × 319,642.02
  4. Step 4: Simplify right side
    559,360.08x = 267,984,401,452.08
  5. Step 5: Solve for x
    x = 267,984,401,452.08/559,360.08
  6. Step 6: Final answer
    x = 479,091.04

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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.