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Finding the Fourth Proportional to 526,530.64, 726,549.68 and 297,074.74

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Solution

The fourth proportional to 526,530.64, 726,549.68 and 297,074.74 is: 409,927.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,530.64 : 726,549.68 = 297,074.74 : x
  2. Step 2: Convert to fraction form
    526,530.64/726,549.68 = 297,074.74/x
  3. Step 3: Cross multiply
    526,530.64x = 726,549.68 × 297,074.74
  4. Step 4: Simplify right side
    526,530.64x = 215,839,552,164.96
  5. Step 5: Solve for x
    x = 215,839,552,164.96/526,530.64
  6. Step 6: Final answer
    x = 409,927.81

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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.