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Finding the Fourth Proportional to 582,158.55, 803,050.68 and 349,526.01

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Solution

The fourth proportional to 582,158.55, 803,050.68 and 349,526.01 is: 482,148.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,158.55 : 803,050.68 = 349,526.01 : x
  2. Step 2: Convert to fraction form
    582,158.55/803,050.68 = 349,526.01/x
  3. Step 3: Cross multiply
    582,158.55x = 803,050.68 × 349,526.01
  4. Step 4: Simplify right side
    582,158.55x = 280,687,100,008.19
  5. Step 5: Solve for x
    x = 280,687,100,008.19/582,158.55
  6. Step 6: Final answer
    x = 482,148.89

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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.