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Finding the Fourth Proportional to 423,279.81, 584,126.28 and 232,293.33

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Solution

The fourth proportional to 423,279.81, 584,126.28 and 232,293.33 is: 320,564.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,279.81 : 584,126.28 = 232,293.33 : x
  2. Step 2: Convert to fraction form
    423,279.81/584,126.28 = 232,293.33/x
  3. Step 3: Cross multiply
    423,279.81x = 584,126.28 × 232,293.33
  4. Step 4: Simplify right side
    423,279.81x = 135,688,638,721.71
  5. Step 5: Solve for x
    x = 135,688,638,721.71/423,279.81
  6. Step 6: Final answer
    x = 320,564.87

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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.