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Finding the Fourth Proportional to 545,973.44, 753,155.52 and 375,912.32

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Solution

The fourth proportional to 545,973.44, 753,155.52 and 375,912.32 is: 518,560.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,973.44 : 753,155.52 = 375,912.32 : x
  2. Step 2: Convert to fraction form
    545,973.44/753,155.52 = 375,912.32/x
  3. Step 3: Cross multiply
    545,973.44x = 753,155.52 × 375,912.32
  4. Step 4: Simplify right side
    545,973.44x = 283,120,438,844.01
  5. Step 5: Solve for x
    x = 283,120,438,844.01/545,973.44
  6. Step 6: Final answer
    x = 518,560.83

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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.