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Finding the Fourth Proportional to 565,194.78, 779,434.38 and 371,260.32

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Solution

The fourth proportional to 565,194.78, 779,434.38 and 371,260.32 is: 511,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,194.78 : 779,434.38 = 371,260.32 : x
  2. Step 2: Convert to fraction form
    565,194.78/779,434.38 = 371,260.32/x
  3. Step 3: Cross multiply
    565,194.78x = 779,434.38 × 371,260.32
  4. Step 4: Simplify right side
    565,194.78x = 289,373,057,337.80
  5. Step 5: Solve for x
    x = 289,373,057,337.80/565,194.78
  6. Step 6: Final answer
    x = 511,988.20

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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.