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Finding the Fourth Proportional to 567,985.01, 783,806.67 and 313,336.13

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Solution

The fourth proportional to 567,985.01, 783,806.67 and 313,336.13 is: 432,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,985.01 : 783,806.67 = 313,336.13 : x
  2. Step 2: Convert to fraction form
    567,985.01/783,806.67 = 313,336.13/x
  3. Step 3: Cross multiply
    567,985.01x = 783,806.67 × 313,336.13
  4. Step 4: Simplify right side
    567,985.01x = 245,594,944,726.95
  5. Step 5: Solve for x
    x = 245,594,944,726.95/567,985.01
  6. Step 6: Final answer
    x = 432,396.88

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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.