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Finding the Fourth Proportional to 606,686.80, 910,030.20 and 561,067.60

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Solution

The fourth proportional to 606,686.80, 910,030.20 and 561,067.60 is: 841,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,686.80 : 910,030.20 = 561,067.60 : x
  2. Step 2: Convert to fraction form
    606,686.80/910,030.20 = 561,067.60/x
  3. Step 3: Cross multiply
    606,686.80x = 910,030.20 × 561,067.60
  4. Step 4: Simplify right side
    606,686.80x = 510,588,460,241.52
  5. Step 5: Solve for x
    x = 510,588,460,241.52/606,686.80
  6. Step 6: Final answer
    x = 841,601.40

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Similar ratio
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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.