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Finding the Fourth Proportional to 431,053.40, 594,853.69 and 240,066.79

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Solution

The fourth proportional to 431,053.40, 594,853.69 and 240,066.79 is: 331,292.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,053.40 : 594,853.69 = 240,066.79 : x
  2. Step 2: Convert to fraction form
    431,053.40/594,853.69 = 240,066.79/x
  3. Step 3: Cross multiply
    431,053.40x = 594,853.69 × 240,066.79
  4. Step 4: Simplify right side
    431,053.40x = 142,804,611,703.35
  5. Step 5: Solve for x
    x = 142,804,611,703.35/431,053.40
  6. Step 6: Final answer
    x = 331,292.16

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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.