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Finding the Fourth Proportional to 567,718.56, 783,490.32 and 329,254.56

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Solution

The fourth proportional to 567,718.56, 783,490.32 and 329,254.56 is: 454,393.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,718.56 : 783,490.32 = 329,254.56 : x
  2. Step 2: Convert to fraction form
    567,718.56/783,490.32 = 329,254.56/x
  3. Step 3: Cross multiply
    567,718.56x = 783,490.32 × 329,254.56
  4. Step 4: Simplify right side
    567,718.56x = 257,967,760,575.86
  5. Step 5: Solve for x
    x = 257,967,760,575.86/567,718.56
  6. Step 6: Final answer
    x = 454,393.74

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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.