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Finding the Fourth Proportional to 440,690.08, 608,051.60 and 249,659.68

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Solution

The fourth proportional to 440,690.08, 608,051.60 and 249,659.68 is: 344,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,690.08 : 608,051.60 = 249,659.68 : x
  2. Step 2: Convert to fraction form
    440,690.08/608,051.60 = 249,659.68/x
  3. Step 3: Cross multiply
    440,690.08x = 608,051.60 × 249,659.68
  4. Step 4: Simplify right side
    440,690.08x = 151,805,967,879.49
  5. Step 5: Solve for x
    x = 151,805,967,879.49/440,690.08
  6. Step 6: Final answer
    x = 344,473.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.