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Finding the Fourth Proportional to 453,048.12, 625,193.10 and 249,099.30

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Solution

The fourth proportional to 453,048.12, 625,193.10 and 249,099.30 is: 343,749.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,048.12 : 625,193.10 = 249,099.30 : x
  2. Step 2: Convert to fraction form
    453,048.12/625,193.10 = 249,099.30/x
  3. Step 3: Cross multiply
    453,048.12x = 625,193.10 × 249,099.30
  4. Step 4: Simplify right side
    453,048.12x = 155,735,163,574.83
  5. Step 5: Solve for x
    x = 155,735,163,574.83/453,048.12
  6. Step 6: Final answer
    x = 343,749.72

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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.