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Finding the Fourth Proportional to 545,660.48, 753,487.84 and 342,062.24

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Solution

The fourth proportional to 545,660.48, 753,487.84 and 342,062.24 is: 472,344.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,660.48 : 753,487.84 = 342,062.24 : x
  2. Step 2: Convert to fraction form
    545,660.48/753,487.84 = 342,062.24/x
  3. Step 3: Cross multiply
    545,660.48x = 753,487.84 × 342,062.24
  4. Step 4: Simplify right side
    545,660.48x = 257,739,738,363.16
  5. Step 5: Solve for x
    x = 257,739,738,363.16/545,660.48
  6. Step 6: Final answer
    x = 472,344.52

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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.