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Finding the Fourth Proportional to 453,410.10, 679,337.55 and 295,557.30

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Solution

The fourth proportional to 453,410.10, 679,337.55 and 295,557.30 is: 442,829.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,410.10 : 679,337.55 = 295,557.30 : x
  2. Step 2: Convert to fraction form
    453,410.10/679,337.55 = 295,557.30/x
  3. Step 3: Cross multiply
    453,410.10x = 679,337.55 × 295,557.30
  4. Step 4: Simplify right side
    453,410.10x = 200,783,172,066.62
  5. Step 5: Solve for x
    x = 200,783,172,066.62/453,410.10
  6. Step 6: Final answer
    x = 442,829.07

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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.