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Finding the Fourth Proportional to 383,464.80, 575,780.40 and 294,818.40

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Solution

The fourth proportional to 383,464.80, 575,780.40 and 294,818.40 is: 442,675.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,464.80 : 575,780.40 = 294,818.40 : x
  2. Step 2: Convert to fraction form
    383,464.80/575,780.40 = 294,818.40/x
  3. Step 3: Cross multiply
    383,464.80x = 575,780.40 × 294,818.40
  4. Step 4: Simplify right side
    383,464.80x = 169,750,656,279.36
  5. Step 5: Solve for x
    x = 169,750,656,279.36/383,464.80
  6. Step 6: Final answer
    x = 442,675.98

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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.