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Finding the Fourth Proportional to 453,045.69, 625,210.25 and 249,105.51

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Solution

The fourth proportional to 453,045.69, 625,210.25 and 249,105.51 is: 343,769.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,045.69 : 625,210.25 = 249,105.51 : x
  2. Step 2: Convert to fraction form
    453,045.69/625,210.25 = 249,105.51/x
  3. Step 3: Cross multiply
    453,045.69x = 625,210.25 × 249,105.51
  4. Step 4: Simplify right side
    453,045.69x = 155,743,316,937.95
  5. Step 5: Solve for x
    x = 155,743,316,937.95/453,045.69
  6. Step 6: Final answer
    x = 343,769.56

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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.