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Finding the Fourth Proportional to 369,717.62, 510,215.25 and 208,572.17

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Solution

The fourth proportional to 369,717.62, 510,215.25 and 208,572.17 is: 287,832.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,717.62 : 510,215.25 = 208,572.17 : x
  2. Step 2: Convert to fraction form
    369,717.62/510,215.25 = 208,572.17/x
  3. Step 3: Cross multiply
    369,717.62x = 510,215.25 × 208,572.17
  4. Step 4: Simplify right side
    369,717.62x = 106,416,699,308.52
  5. Step 5: Solve for x
    x = 106,416,699,308.52/369,717.62
  6. Step 6: Final answer
    x = 287,832.38

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1.5x scale

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.