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Finding the Fourth Proportional to 575,650.23, 794,398.08 and 317,521.38

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Solution

The fourth proportional to 575,650.23, 794,398.08 and 317,521.38 is: 438,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,650.23 : 794,398.08 = 317,521.38 : x
  2. Step 2: Convert to fraction form
    575,650.23/794,398.08 = 317,521.38/x
  3. Step 3: Cross multiply
    575,650.23x = 794,398.08 × 317,521.38
  4. Step 4: Simplify right side
    575,650.23x = 252,238,374,630.95
  5. Step 5: Solve for x
    x = 252,238,374,630.95/575,650.23
  6. Step 6: Final answer
    x = 438,179.93

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Double scale
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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.