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Finding the Fourth Proportional to 304,475.04, 419,897.88 and 261,441

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Solution

The fourth proportional to 304,475.04, 419,897.88 and 261,441 is: 360,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,475.04 : 419,897.88 = 261,441 : x
  2. Step 2: Convert to fraction form
    304,475.04/419,897.88 = 261,441/x
  3. Step 3: Cross multiply
    304,475.04x = 419,897.88 × 261,441
  4. Step 4: Simplify right side
    304,475.04x = 109,778,521,645.08
  5. Step 5: Solve for x
    x = 109,778,521,645.08/304,475.04
  6. Step 6: Final answer
    x = 360,550.15

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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.