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Finding the Fourth Proportional to 440,386.92, 607,737.06 and 239,182.92

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Solution

The fourth proportional to 440,386.92, 607,737.06 and 239,182.92 is: 330,074.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,386.92 : 607,737.06 = 239,182.92 : x
  2. Step 2: Convert to fraction form
    440,386.92/607,737.06 = 239,182.92/x
  3. Step 3: Cross multiply
    440,386.92x = 607,737.06 × 239,182.92
  4. Step 4: Simplify right side
    440,386.92x = 145,360,324,603.02
  5. Step 5: Solve for x
    x = 145,360,324,603.02/440,386.92
  6. Step 6: Final answer
    x = 330,074.12

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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.