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Finding the Fourth Proportional to 347,501.10, 521,251.65 and 123,114.90

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Solution

The fourth proportional to 347,501.10, 521,251.65 and 123,114.90 is: 184,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,501.10 : 521,251.65 = 123,114.90 : x
  2. Step 2: Convert to fraction form
    347,501.10/521,251.65 = 123,114.90/x
  3. Step 3: Cross multiply
    347,501.10x = 521,251.65 × 123,114.90
  4. Step 4: Simplify right side
    347,501.10x = 64,173,844,764.59
  5. Step 5: Solve for x
    x = 64,173,844,764.59/347,501.10
  6. Step 6: Final answer
    x = 184,672.35

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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.