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Finding the Fourth Proportional to 672,525.75, 928,085.54 and 370,726.23

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Solution

The fourth proportional to 672,525.75, 928,085.54 and 370,726.23 is: 511,602.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,525.75 : 928,085.54 = 370,726.23 : x
  2. Step 2: Convert to fraction form
    672,525.75/928,085.54 = 370,726.23/x
  3. Step 3: Cross multiply
    672,525.75x = 928,085.54 × 370,726.23
  4. Step 4: Simplify right side
    672,525.75x = 344,065,651,508.08
  5. Step 5: Solve for x
    x = 344,065,651,508.08/672,525.75
  6. Step 6: Final answer
    x = 511,602.20

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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.