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Finding the Fourth Proportional to 453,118.35, 625,313.47 and 249,156.30

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Solution

The fourth proportional to 453,118.35, 625,313.47 and 249,156.30 is: 343,841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,118.35 : 625,313.47 = 249,156.30 : x
  2. Step 2: Convert to fraction form
    453,118.35/625,313.47 = 249,156.30/x
  3. Step 3: Cross multiply
    453,118.35x = 625,313.47 × 249,156.30
  4. Step 4: Simplify right side
    453,118.35x = 155,800,792,714.56
  5. Step 5: Solve for x
    x = 155,800,792,714.56/453,118.35
  6. Step 6: Final answer
    x = 343,841.28

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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.