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Finding the Fourth Proportional to 529,694.07, 730,945.06 and 297,108.20

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Solution

The fourth proportional to 529,694.07, 730,945.06 and 297,108.20 is: 409,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,694.07 : 730,945.06 = 297,108.20 : x
  2. Step 2: Convert to fraction form
    529,694.07/730,945.06 = 297,108.20/x
  3. Step 3: Cross multiply
    529,694.07x = 730,945.06 × 297,108.20
  4. Step 4: Simplify right side
    529,694.07x = 217,169,774,187.92
  5. Step 5: Solve for x
    x = 217,169,774,187.92/529,694.07
  6. Step 6: Final answer
    x = 409,990.95

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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.