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Finding the Fourth Proportional to 438,595.08, 605,206.26 and 244,956.48

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Solution

The fourth proportional to 438,595.08, 605,206.26 and 244,956.48 is: 338,009.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,595.08 : 605,206.26 = 244,956.48 : x
  2. Step 2: Convert to fraction form
    438,595.08/605,206.26 = 244,956.48/x
  3. Step 3: Cross multiply
    438,595.08x = 605,206.26 × 244,956.48
  4. Step 4: Simplify right side
    438,595.08x = 148,249,195,123.57
  5. Step 5: Solve for x
    x = 148,249,195,123.57/438,595.08
  6. Step 6: Final answer
    x = 338,009.25

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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.