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Finding the Fourth Proportional to 675,476.87, 932,005.47 and 403,491.52

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Solution

The fourth proportional to 675,476.87, 932,005.47 and 403,491.52 is: 556,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,476.87 : 932,005.47 = 403,491.52 : x
  2. Step 2: Convert to fraction form
    675,476.87/932,005.47 = 403,491.52/x
  3. Step 3: Cross multiply
    675,476.87x = 932,005.47 × 403,491.52
  4. Step 4: Simplify right side
    675,476.87x = 376,056,303,738.61
  5. Step 5: Solve for x
    x = 376,056,303,738.61/675,476.87
  6. Step 6: Final answer
    x = 556,727.14

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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.