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Finding the Fourth Proportional to 265,587.39, 366,505.76 and 144,729.72

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Solution

The fourth proportional to 265,587.39, 366,505.76 and 144,729.72 is: 199,724.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,587.39 : 366,505.76 = 144,729.72 : x
  2. Step 2: Convert to fraction form
    265,587.39/366,505.76 = 144,729.72/x
  3. Step 3: Cross multiply
    265,587.39x = 366,505.76 × 144,729.72
  4. Step 4: Simplify right side
    265,587.39x = 53,044,276,385.01
  5. Step 5: Solve for x
    x = 53,044,276,385.01/265,587.39
  6. Step 6: Final answer
    x = 199,724.38

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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.