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Finding the Fourth Proportional to 526,445.46, 726,492.60 and 284,728.32

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Solution

The fourth proportional to 526,445.46, 726,492.60 and 284,728.32 is: 392,923.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,445.46 : 726,492.60 = 284,728.32 : x
  2. Step 2: Convert to fraction form
    526,445.46/726,492.60 = 284,728.32/x
  3. Step 3: Cross multiply
    526,445.46x = 726,492.60 × 284,728.32
  4. Step 4: Simplify right side
    526,445.46x = 206,853,017,490.43
  5. Step 5: Solve for x
    x = 206,853,017,490.43/526,445.46
  6. Step 6: Final answer
    x = 392,923.93

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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.