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Finding the Fourth Proportional to 526,760.51, 726,935.54 and 297,330.53

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Solution

The fourth proportional to 526,760.51, 726,935.54 and 297,330.53 is: 410,319.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,760.51 : 726,935.54 = 297,330.53 : x
  2. Step 2: Convert to fraction form
    526,760.51/726,935.54 = 297,330.53/x
  3. Step 3: Cross multiply
    526,760.51x = 726,935.54 × 297,330.53
  4. Step 4: Simplify right side
    526,760.51x = 216,140,124,262.71
  5. Step 5: Solve for x
    x = 216,140,124,262.71/526,760.51
  6. Step 6: Final answer
    x = 410,319.53

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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.