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Finding the Fourth Proportional to 423,987.84, 584,859.60 and 264,735.36

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Solution

The fourth proportional to 423,987.84, 584,859.60 and 264,735.36 is: 365,182.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,987.84 : 584,859.60 = 264,735.36 : x
  2. Step 2: Convert to fraction form
    423,987.84/584,859.60 = 264,735.36/x
  3. Step 3: Cross multiply
    423,987.84x = 584,859.60 × 264,735.36
  4. Step 4: Simplify right side
    423,987.84x = 154,833,016,755.46
  5. Step 5: Solve for x
    x = 154,833,016,755.46/423,987.84
  6. Step 6: Final answer
    x = 365,182.68

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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.