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Finding the Fourth Proportional to 582,553.91, 872,711.64 and 357,257.67

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Solution

The fourth proportional to 582,553.91, 872,711.64 and 357,257.67 is: 535,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,553.91 : 872,711.64 = 357,257.67 : x
  2. Step 2: Convert to fraction form
    582,553.91/872,711.64 = 357,257.67/x
  3. Step 3: Cross multiply
    582,553.91x = 872,711.64 × 357,257.67
  4. Step 4: Simplify right side
    582,553.91x = 311,782,927,088.28
  5. Step 5: Solve for x
    x = 311,782,927,088.28/582,553.91
  6. Step 6: Final answer
    x = 535,200.13

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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.