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Finding the Fourth Proportional to 526,468.84, 726,527.14 and 297,074.76

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Solution

The fourth proportional to 526,468.84, 726,527.14 and 297,074.76 is: 409,963.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,468.84 : 726,527.14 = 297,074.76 : x
  2. Step 2: Convert to fraction form
    526,468.84/726,527.14 = 297,074.76/x
  3. Step 3: Cross multiply
    526,468.84x = 726,527.14 × 297,074.76
  4. Step 4: Simplify right side
    526,468.84x = 215,832,875,748.99
  5. Step 5: Solve for x
    x = 215,832,875,748.99/526,468.84
  6. Step 6: Final answer
    x = 409,963.25

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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.