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Finding the Fourth Proportional to 526,019.37, 725,892.21 and 296,574.69

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Solution

The fourth proportional to 526,019.37, 725,892.21 and 296,574.69 is: 409,264.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,019.37 : 725,892.21 = 296,574.69 : x
  2. Step 2: Convert to fraction form
    526,019.37/725,892.21 = 296,574.69/x
  3. Step 3: Cross multiply
    526,019.37x = 725,892.21 × 296,574.69
  4. Step 4: Simplify right side
    526,019.37x = 215,281,257,154.17
  5. Step 5: Solve for x
    x = 215,281,257,154.17/526,019.37
  6. Step 6: Final answer
    x = 409,264.89

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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.