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Finding the Fourth Proportional to 582,578.91, 872,748.95 and 357,282.63

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Solution

The fourth proportional to 582,578.91, 872,748.95 and 357,282.63 is: 535,237.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,578.91 : 872,748.95 = 357,282.63 : x
  2. Step 2: Convert to fraction form
    582,578.91/872,748.95 = 357,282.63/x
  3. Step 3: Cross multiply
    582,578.91x = 872,748.95 × 357,282.63
  4. Step 4: Simplify right side
    582,578.91x = 311,818,038,399.33
  5. Step 5: Solve for x
    x = 311,818,038,399.33/582,578.91
  6. Step 6: Final answer
    x = 535,237.43

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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.