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Finding the Fourth Proportional to 423,875.85, 584,626.43 and 293,270.84

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Solution

The fourth proportional to 423,875.85, 584,626.43 and 293,270.84 is: 404,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,875.85 : 584,626.43 = 293,270.84 : x
  2. Step 2: Convert to fraction form
    423,875.85/584,626.43 = 293,270.84/x
  3. Step 3: Cross multiply
    423,875.85x = 584,626.43 × 293,270.84
  4. Step 4: Simplify right side
    423,875.85x = 171,453,879,822.82
  5. Step 5: Solve for x
    x = 171,453,879,822.82/423,875.85
  6. Step 6: Final answer
    x = 404,490.80

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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.