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Finding the Fourth Proportional to 340,772.46, 510,832.88 and 127,482.46

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Solution

The fourth proportional to 340,772.46, 510,832.88 and 127,482.46 is: 191,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,772.46 : 510,832.88 = 127,482.46 : x
  2. Step 2: Convert to fraction form
    340,772.46/510,832.88 = 127,482.46/x
  3. Step 3: Cross multiply
    340,772.46x = 510,832.88 × 127,482.46
  4. Step 4: Simplify right side
    340,772.46x = 65,122,232,191.28
  5. Step 5: Solve for x
    x = 65,122,232,191.28/340,772.46
  6. Step 6: Final answer
    x = 191,101.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.