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Finding the Fourth Proportional to 296,486.79, 408,985.77 and 175,510.18

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Solution

The fourth proportional to 296,486.79, 408,985.77 and 175,510.18 is: 242,105.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,486.79 : 408,985.77 = 175,510.18 : x
  2. Step 2: Convert to fraction form
    296,486.79/408,985.77 = 175,510.18/x
  3. Step 3: Cross multiply
    296,486.79x = 408,985.77 × 175,510.18
  4. Step 4: Simplify right side
    296,486.79x = 71,781,166,110.14
  5. Step 5: Solve for x
    x = 71,781,166,110.14/296,486.79
  6. Step 6: Final answer
    x = 242,105.78

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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.