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Finding the Fourth Proportional to 431,587.76, 595,568.76 and 238,027.28

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Solution

The fourth proportional to 431,587.76, 595,568.76 and 238,027.28 is: 328,465.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,587.76 : 595,568.76 = 238,027.28 : x
  2. Step 2: Convert to fraction form
    431,587.76/595,568.76 = 238,027.28/x
  3. Step 3: Cross multiply
    431,587.76x = 595,568.76 × 238,027.28
  4. Step 4: Simplify right side
    431,587.76x = 141,761,611,995.77
  5. Step 5: Solve for x
    x = 141,761,611,995.77/431,587.76
  6. Step 6: Final answer
    x = 328,465.32

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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.