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Finding the Fourth Proportional to 440,002.69, 607,203.96 and 238,798.69

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Solution

The fourth proportional to 440,002.69, 607,203.96 and 238,798.69 is: 329,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,002.69 : 607,203.96 = 238,798.69 : x
  2. Step 2: Convert to fraction form
    440,002.69/607,203.96 = 238,798.69/x
  3. Step 3: Cross multiply
    440,002.69x = 607,203.96 × 238,798.69
  4. Step 4: Simplify right side
    440,002.69x = 144,999,508,692.80
  5. Step 5: Solve for x
    x = 144,999,508,692.80/440,002.69
  6. Step 6: Final answer
    x = 329,542.33

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Double scale
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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.