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Finding the Fourth Proportional to 955,452, 1,318,541.56 and 525,728.32

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Solution

The fourth proportional to 955,452, 1,318,541.56 and 525,728.32 is: 725,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,452 : 1,318,541.56 = 525,728.32 : x
  2. Step 2: Convert to fraction form
    955,452/1,318,541.56 = 525,728.32/x
  3. Step 3: Cross multiply
    955,452x = 1,318,541.56 × 525,728.32
  4. Step 4: Simplify right side
    955,452x = 693,194,639,188.98
  5. Step 5: Solve for x
    x = 693,194,639,188.98/955,452
  6. Step 6: Final answer
    x = 725,514.88

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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.