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Finding the Fourth Proportional to 265,547.17, 366,450.47 and 144,689.45

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Solution

The fourth proportional to 265,547.17, 366,450.47 and 144,689.45 is: 199,668.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,547.17 : 366,450.47 = 144,689.45 : x
  2. Step 2: Convert to fraction form
    265,547.17/366,450.47 = 144,689.45/x
  3. Step 3: Cross multiply
    265,547.17x = 366,450.47 × 144,689.45
  4. Step 4: Simplify right side
    265,547.17x = 53,021,517,149.22
  5. Step 5: Solve for x
    x = 53,021,517,149.22/265,547.17
  6. Step 6: Final answer
    x = 199,668.92

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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.