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Finding the Fourth Proportional to 529,094.85, 730,130.15 and 314,229.39

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Solution

The fourth proportional to 529,094.85, 730,130.15 and 314,229.39 is: 433,624.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,094.85 : 730,130.15 = 314,229.39 : x
  2. Step 2: Convert to fraction form
    529,094.85/730,130.15 = 314,229.39/x
  3. Step 3: Cross multiply
    529,094.85x = 730,130.15 × 314,229.39
  4. Step 4: Simplify right side
    529,094.85x = 229,428,348,004.46
  5. Step 5: Solve for x
    x = 229,428,348,004.46/529,094.85
  6. Step 6: Final answer
    x = 433,624.24

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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.