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Finding the Fourth Proportional to 453,000.81, 625,141.52 and 249,055.20

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Solution

The fourth proportional to 453,000.81, 625,141.52 and 249,055.20 is: 343,696.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,000.81 : 625,141.52 = 249,055.20 : x
  2. Step 2: Convert to fraction form
    453,000.81/625,141.52 = 249,055.20/x
  3. Step 3: Cross multiply
    453,000.81x = 625,141.52 × 249,055.20
  4. Step 4: Simplify right side
    453,000.81x = 155,694,745,046.63
  5. Step 5: Solve for x
    x = 155,694,745,046.63/453,000.81
  6. Step 6: Final answer
    x = 343,696.39

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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.