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Finding the Fourth Proportional to 472,690.02, 652,314.24 and 257,834.70

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Solution

The fourth proportional to 472,690.02, 652,314.24 and 257,834.70 is: 355,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,690.02 : 652,314.24 = 257,834.70 : x
  2. Step 2: Convert to fraction form
    472,690.02/652,314.24 = 257,834.70/x
  3. Step 3: Cross multiply
    472,690.02x = 652,314.24 × 257,834.70
  4. Step 4: Simplify right side
    472,690.02x = 168,189,246,376.13
  5. Step 5: Solve for x
    x = 168,189,246,376.13/472,690.02
  6. Step 6: Final answer
    x = 355,812.98

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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.