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Finding the Fourth Proportional to 526,577.66, 726,674.96 and 284,859.63

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Solution

The fourth proportional to 526,577.66, 726,674.96 and 284,859.63 is: 393,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,577.66 : 726,674.96 = 284,859.63 : x
  2. Step 2: Convert to fraction form
    526,577.66/726,674.96 = 284,859.63/x
  3. Step 3: Cross multiply
    526,577.66x = 726,674.96 × 284,859.63
  4. Step 4: Simplify right side
    526,577.66x = 207,000,360,948.01
  5. Step 5: Solve for x
    x = 207,000,360,948.01/526,577.66
  6. Step 6: Final answer
    x = 393,105.10

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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.