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Finding the Fourth Proportional to 567,389.61, 851,208.96 and 168,061.63

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Solution

The fourth proportional to 567,389.61, 851,208.96 and 168,061.63 is: 252,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,389.61 : 851,208.96 = 168,061.63 : x
  2. Step 2: Convert to fraction form
    567,389.61/851,208.96 = 168,061.63/x
  3. Step 3: Cross multiply
    567,389.61x = 851,208.96 × 168,061.63
  4. Step 4: Simplify right side
    567,389.61x = 143,055,565,288.21
  5. Step 5: Solve for x
    x = 143,055,565,288.21/567,389.61
  6. Step 6: Final answer
    x = 252,129.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.