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Finding the Fourth Proportional to 582,527.10, 872,671.18 and 357,230.57

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Solution

The fourth proportional to 582,527.10, 872,671.18 and 357,230.57 is: 535,159.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,527.10 : 872,671.18 = 357,230.57 : x
  2. Step 2: Convert to fraction form
    582,527.10/872,671.18 = 357,230.57/x
  3. Step 3: Cross multiply
    582,527.10x = 872,671.18 × 357,230.57
  4. Step 4: Simplify right side
    582,527.10x = 311,744,817,797.54
  5. Step 5: Solve for x
    x = 311,744,817,797.54/582,527.10
  6. Step 6: Final answer
    x = 535,159.34

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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.