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Finding the Fourth Proportional to 463,176.15, 639,061.59 and 266,894.34

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Solution

The fourth proportional to 463,176.15, 639,061.59 and 266,894.34 is: 368,244.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,176.15 : 639,061.59 = 266,894.34 : x
  2. Step 2: Convert to fraction form
    463,176.15/639,061.59 = 266,894.34/x
  3. Step 3: Cross multiply
    463,176.15x = 639,061.59 × 266,894.34
  4. Step 4: Simplify right side
    463,176.15x = 170,561,917,885.07
  5. Step 5: Solve for x
    x = 170,561,917,885.07/463,176.15
  6. Step 6: Final answer
    x = 368,244.18

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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.