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Finding the Fourth Proportional to 543,739.74, 750,570.11 and 362,385.50

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Solution

The fourth proportional to 543,739.74, 750,570.11 and 362,385.50 is: 500,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,739.74 : 750,570.11 = 362,385.50 : x
  2. Step 2: Convert to fraction form
    543,739.74/750,570.11 = 362,385.50/x
  3. Step 3: Cross multiply
    543,739.74x = 750,570.11 × 362,385.50
  4. Step 4: Simplify right side
    543,739.74x = 271,995,719,032.63
  5. Step 5: Solve for x
    x = 271,995,719,032.63/543,739.74
  6. Step 6: Final answer
    x = 500,231.45

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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.