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Finding the Fourth Proportional to 606,987.60, 910,481.40 and 291,368.40

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Solution

The fourth proportional to 606,987.60, 910,481.40 and 291,368.40 is: 437,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,987.60 : 910,481.40 = 291,368.40 : x
  2. Step 2: Convert to fraction form
    606,987.60/910,481.40 = 291,368.40/x
  3. Step 3: Cross multiply
    606,987.60x = 910,481.40 × 291,368.40
  4. Step 4: Simplify right side
    606,987.60x = 265,285,508,747.76
  5. Step 5: Solve for x
    x = 265,285,508,747.76/606,987.60
  6. Step 6: Final answer
    x = 437,052.60

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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.