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Finding the Fourth Proportional to 561,454.07, 841,930.91 and 161,999.93

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Solution

The fourth proportional to 561,454.07, 841,930.91 and 161,999.93 is: 242,927.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,454.07 : 841,930.91 = 161,999.93 : x
  2. Step 2: Convert to fraction form
    561,454.07/841,930.91 = 161,999.93/x
  3. Step 3: Cross multiply
    561,454.07x = 841,930.91 × 161,999.93
  4. Step 4: Simplify right side
    561,454.07x = 136,392,750,387.16
  5. Step 5: Solve for x
    x = 136,392,750,387.16/561,454.07
  6. Step 6: Final answer
    x = 242,927.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.