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Finding the Fourth Proportional to 526,476.93, 726,535.78 and 284,758.93

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Solution

The fourth proportional to 526,476.93, 726,535.78 and 284,758.93 is: 392,966.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,476.93 : 726,535.78 = 284,758.93 : x
  2. Step 2: Convert to fraction form
    526,476.93/726,535.78 = 284,758.93/x
  3. Step 3: Cross multiply
    526,476.93x = 726,535.78 × 284,758.93
  4. Step 4: Simplify right side
    526,476.93x = 206,887,547,429.02
  5. Step 5: Solve for x
    x = 206,887,547,429.02/526,476.93
  6. Step 6: Final answer
    x = 392,966.03

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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.