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Finding the Fourth Proportional to 374,302.80, 561,454.20 and 187,246.80

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Solution

The fourth proportional to 374,302.80, 561,454.20 and 187,246.80 is: 280,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,302.80 : 561,454.20 = 187,246.80 : x
  2. Step 2: Convert to fraction form
    374,302.80/561,454.20 = 187,246.80/x
  3. Step 3: Cross multiply
    374,302.80x = 561,454.20 × 187,246.80
  4. Step 4: Simplify right side
    374,302.80x = 105,130,502,296.56
  5. Step 5: Solve for x
    x = 105,130,502,296.56/374,302.80
  6. Step 6: Final answer
    x = 280,870.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.