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Finding the Fourth Proportional to 440,363.39, 607,698.05 and 239,159.39

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Solution

The fourth proportional to 440,363.39, 607,698.05 and 239,159.39 is: 330,038.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,363.39 : 607,698.05 = 239,159.39 : x
  2. Step 2: Convert to fraction form
    440,363.39/607,698.05 = 239,159.39/x
  3. Step 3: Cross multiply
    440,363.39x = 607,698.05 × 239,159.39
  4. Step 4: Simplify right side
    440,363.39x = 145,336,690,707.90
  5. Step 5: Solve for x
    x = 145,336,690,707.90/440,363.39
  6. Step 6: Final answer
    x = 330,038.09

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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.