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Finding the Fourth Proportional to 575,521.08, 794,219.58 and 320,867.16

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Solution

The fourth proportional to 575,521.08, 794,219.58 and 320,867.16 is: 442,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,521.08 : 794,219.58 = 320,867.16 : x
  2. Step 2: Convert to fraction form
    575,521.08/794,219.58 = 320,867.16/x
  3. Step 3: Cross multiply
    575,521.08x = 794,219.58 × 320,867.16
  4. Step 4: Simplify right side
    575,521.08x = 254,838,981,050.99
  5. Step 5: Solve for x
    x = 254,838,981,050.99/575,521.08
  6. Step 6: Final answer
    x = 442,796.95

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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.