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Finding the Fourth Proportional to 488,352.30, 731,653.65 and 301,145.10

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Solution

The fourth proportional to 488,352.30, 731,653.65 and 301,145.10 is: 451,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,352.30 : 731,653.65 = 301,145.10 : x
  2. Step 2: Convert to fraction form
    488,352.30/731,653.65 = 301,145.10/x
  3. Step 3: Cross multiply
    488,352.30x = 731,653.65 × 301,145.10
  4. Step 4: Simplify right side
    488,352.30x = 220,333,911,594.62
  5. Step 5: Solve for x
    x = 220,333,911,594.62/488,352.30
  6. Step 6: Final answer
    x = 451,178.20

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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.