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Finding the Fourth Proportional to 368,624.47, 508,701.67 and 207,480.39

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Solution

The fourth proportional to 368,624.47, 508,701.67 and 207,480.39 is: 286,322.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,624.47 : 508,701.67 = 207,480.39 : x
  2. Step 2: Convert to fraction form
    368,624.47/508,701.67 = 207,480.39/x
  3. Step 3: Cross multiply
    368,624.47x = 508,701.67 × 207,480.39
  4. Step 4: Simplify right side
    368,624.47x = 105,545,618,458.92
  5. Step 5: Solve for x
    x = 105,545,618,458.92/368,624.47
  6. Step 6: Final answer
    x = 286,322.88

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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.