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Finding the Fourth Proportional to 261,337.68, 360,024.84 and 248,688.72

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Solution

The fourth proportional to 261,337.68, 360,024.84 and 248,688.72 is: 342,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,337.68 : 360,024.84 = 248,688.72 : x
  2. Step 2: Convert to fraction form
    261,337.68/360,024.84 = 248,688.72/x
  3. Step 3: Cross multiply
    261,337.68x = 360,024.84 × 248,688.72
  4. Step 4: Simplify right side
    261,337.68x = 89,534,116,627.80
  5. Step 5: Solve for x
    x = 89,534,116,627.80/261,337.68
  6. Step 6: Final answer
    x = 342,599.34

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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.