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Finding the Fourth Proportional to 453,417.88, 625,478.19 and 269,525.65

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Solution

The fourth proportional to 453,417.88, 625,478.19 and 269,525.65 is: 371,803.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,417.88 : 625,478.19 = 269,525.65 : x
  2. Step 2: Convert to fraction form
    453,417.88/625,478.19 = 269,525.65/x
  3. Step 3: Cross multiply
    453,417.88x = 625,478.19 × 269,525.65
  4. Step 4: Simplify right side
    453,417.88x = 168,582,416,794.82
  5. Step 5: Solve for x
    x = 168,582,416,794.82/453,417.88
  6. Step 6: Final answer
    x = 371,803.63

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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.