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Finding the Fourth Proportional to 265,572.92, 366,486 and 144,715.16

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Solution

The fourth proportional to 265,572.92, 366,486 and 144,715.16 is: 199,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,572.92 : 366,486 = 144,715.16 : x
  2. Step 2: Convert to fraction form
    265,572.92/366,486 = 144,715.16/x
  3. Step 3: Cross multiply
    265,572.92x = 366,486 × 144,715.16
  4. Step 4: Simplify right side
    265,572.92x = 53,036,080,127.76
  5. Step 5: Solve for x
    x = 53,036,080,127.76/265,572.92
  6. Step 6: Final answer
    x = 199,704.40

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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.