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Finding the Fourth Proportional to 575,980.30, 794,845.92 and 317,859.22

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Solution

The fourth proportional to 575,980.30, 794,845.92 and 317,859.22 is: 438,641.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,980.30 : 794,845.92 = 317,859.22 : x
  2. Step 2: Convert to fraction form
    575,980.30/794,845.92 = 317,859.22/x
  3. Step 3: Cross multiply
    575,980.30x = 794,845.92 × 317,859.22
  4. Step 4: Simplify right side
    575,980.30x = 252,649,104,151.38
  5. Step 5: Solve for x
    x = 252,649,104,151.38/575,980.30
  6. Step 6: Final answer
    x = 438,641.92

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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.