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Finding the Fourth Proportional to 265,498.68, 366,386.72 and 144,639.66

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Solution

The fourth proportional to 265,498.68, 366,386.72 and 144,639.66 is: 199,601.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,498.68 : 366,386.72 = 144,639.66 : x
  2. Step 2: Convert to fraction form
    265,498.68/366,386.72 = 144,639.66/x
  3. Step 3: Cross multiply
    265,498.68x = 366,386.72 × 144,639.66
  4. Step 4: Simplify right side
    265,498.68x = 52,994,050,609.32
  5. Step 5: Solve for x
    x = 52,994,050,609.32/265,498.68
  6. Step 6: Final answer
    x = 199,601.94

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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.