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Finding the Fourth Proportional to 453,142.37, 625,323.25 and 249,193.08

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Solution

The fourth proportional to 453,142.37, 625,323.25 and 249,193.08 is: 343,879.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,142.37 : 625,323.25 = 249,193.08 : x
  2. Step 2: Convert to fraction form
    453,142.37/625,323.25 = 249,193.08/x
  3. Step 3: Cross multiply
    453,142.37x = 625,323.25 × 249,193.08
  4. Step 4: Simplify right side
    453,142.37x = 155,826,226,663.11
  5. Step 5: Solve for x
    x = 155,826,226,663.11/453,142.37
  6. Step 6: Final answer
    x = 343,879.18

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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.