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Finding the Fourth Proportional to 453,443.60, 679,387.80 and 295,590.80

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Solution

The fourth proportional to 453,443.60, 679,387.80 and 295,590.80 is: 442,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,443.60 : 679,387.80 = 295,590.80 : x
  2. Step 2: Convert to fraction form
    453,443.60/679,387.80 = 295,590.80/x
  3. Step 3: Cross multiply
    453,443.60x = 679,387.80 × 295,590.80
  4. Step 4: Simplify right side
    453,443.60x = 200,820,783,312.24
  5. Step 5: Solve for x
    x = 200,820,783,312.24/453,443.60
  6. Step 6: Final answer
    x = 442,879.30

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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.