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Finding the Fourth Proportional to 369,599.12, 510,046.08 and 208,453.68

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Solution

The fourth proportional to 369,599.12, 510,046.08 and 208,453.68 is: 287,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,599.12 : 510,046.08 = 208,453.68 : x
  2. Step 2: Convert to fraction form
    369,599.12/510,046.08 = 208,453.68/x
  3. Step 3: Cross multiply
    369,599.12x = 510,046.08 × 208,453.68
  4. Step 4: Simplify right side
    369,599.12x = 106,320,982,345.57
  5. Step 5: Solve for x
    x = 106,320,982,345.57/369,599.12
  6. Step 6: Final answer
    x = 287,665.68

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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.