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Finding the Fourth Proportional to 357,615.66, 493,105.68 and 260,648.13

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Solution

The fourth proportional to 357,615.66, 493,105.68 and 260,648.13 is: 359,400.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,615.66 : 493,105.68 = 260,648.13 : x
  2. Step 2: Convert to fraction form
    357,615.66/493,105.68 = 260,648.13/x
  3. Step 3: Cross multiply
    357,615.66x = 493,105.68 × 260,648.13
  4. Step 4: Simplify right side
    357,615.66x = 128,527,073,384.38
  5. Step 5: Solve for x
    x = 128,527,073,384.38/357,615.66
  6. Step 6: Final answer
    x = 359,400.01

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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.