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Finding the Fourth Proportional to 453,441.60, 679,384.80 and 295,588.80

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Solution

The fourth proportional to 453,441.60, 679,384.80 and 295,588.80 is: 442,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,441.60 : 679,384.80 = 295,588.80 : x
  2. Step 2: Convert to fraction form
    453,441.60/679,384.80 = 295,588.80/x
  3. Step 3: Cross multiply
    453,441.60x = 679,384.80 × 295,588.80
  4. Step 4: Simplify right side
    453,441.60x = 200,818,537,770.24
  5. Step 5: Solve for x
    x = 200,818,537,770.24/453,441.60
  6. Step 6: Final answer
    x = 442,876.30

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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.