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Finding the Fourth Proportional to 526,729.51, 726,896.10 and 297,332.65

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Solution

The fourth proportional to 526,729.51, 726,896.10 and 297,332.65 is: 410,324.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,729.51 : 726,896.10 = 297,332.65 : x
  2. Step 2: Convert to fraction form
    526,729.51/726,896.10 = 297,332.65/x
  3. Step 3: Cross multiply
    526,729.51x = 726,896.10 × 297,332.65
  4. Step 4: Simplify right side
    526,729.51x = 216,129,943,687.67
  5. Step 5: Solve for x
    x = 216,129,943,687.67/526,729.51
  6. Step 6: Final answer
    x = 410,324.35

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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.