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Finding the Fourth Proportional to 440,113.92, 607,360.32 and 238,909.92

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Solution

The fourth proportional to 440,113.92, 607,360.32 and 238,909.92 is: 329,697.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,113.92 : 607,360.32 = 238,909.92 : x
  2. Step 2: Convert to fraction form
    440,113.92/607,360.32 = 238,909.92/x
  3. Step 3: Cross multiply
    440,113.92x = 607,360.32 × 238,909.92
  4. Step 4: Simplify right side
    440,113.92x = 145,104,405,462.37
  5. Step 5: Solve for x
    x = 145,104,405,462.37/440,113.92
  6. Step 6: Final answer
    x = 329,697.38

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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.