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Finding the Fourth Proportional to 529,161.34, 730,348.92 and 314,259.88

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Solution

The fourth proportional to 529,161.34, 730,348.92 and 314,259.88 is: 433,741.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,161.34 : 730,348.92 = 314,259.88 : x
  2. Step 2: Convert to fraction form
    529,161.34/730,348.92 = 314,259.88/x
  3. Step 3: Cross multiply
    529,161.34x = 730,348.92 × 314,259.88
  4. Step 4: Simplify right side
    529,161.34x = 229,519,363,957.33
  5. Step 5: Solve for x
    x = 229,519,363,957.33/529,161.34
  6. Step 6: Final answer
    x = 433,741.75

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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.