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Finding the Fourth Proportional to 423,365.94, 584,223.67 and 251,291.42

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Solution

The fourth proportional to 423,365.94, 584,223.67 and 251,291.42 is: 346,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,365.94 : 584,223.67 = 251,291.42 : x
  2. Step 2: Convert to fraction form
    423,365.94/584,223.67 = 251,291.42/x
  3. Step 3: Cross multiply
    423,365.94x = 584,223.67 × 251,291.42
  4. Step 4: Simplify right side
    423,365.94x = 146,810,395,215.75
  5. Step 5: Solve for x
    x = 146,810,395,215.75/423,365.94
  6. Step 6: Final answer
    x = 346,769.50

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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.