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Finding the Fourth Proportional to 544,353.03, 751,124.77 and 311,743.80

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Solution

The fourth proportional to 544,353.03, 751,124.77 and 311,743.80 is: 430,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,353.03 : 751,124.77 = 311,743.80 : x
  2. Step 2: Convert to fraction form
    544,353.03/751,124.77 = 311,743.80/x
  3. Step 3: Cross multiply
    544,353.03x = 751,124.77 × 311,743.80
  4. Step 4: Simplify right side
    544,353.03x = 234,158,490,463.61
  5. Step 5: Solve for x
    x = 234,158,490,463.61/544,353.03
  6. Step 6: Final answer
    x = 430,159.25

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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.