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Finding the Fourth Proportional to 261,348.05, 360,770.40 and 176,579.93

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Solution

The fourth proportional to 261,348.05, 360,770.40 and 176,579.93 is: 243,754.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,348.05 : 360,770.40 = 176,579.93 : x
  2. Step 2: Convert to fraction form
    261,348.05/360,770.40 = 176,579.93/x
  3. Step 3: Cross multiply
    261,348.05x = 360,770.40 × 176,579.93
  4. Step 4: Simplify right side
    261,348.05x = 63,704,810,174.22
  5. Step 5: Solve for x
    x = 63,704,810,174.22/261,348.05
  6. Step 6: Final answer
    x = 243,754.68

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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.