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Finding the Fourth Proportional to 345,290.80, 476,574.84 and 232,047.94

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Solution

The fourth proportional to 345,290.80, 476,574.84 and 232,047.94 is: 320,275.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,290.80 : 476,574.84 = 232,047.94 : x
  2. Step 2: Convert to fraction form
    345,290.80/476,574.84 = 232,047.94/x
  3. Step 3: Cross multiply
    345,290.80x = 476,574.84 × 232,047.94
  4. Step 4: Simplify right side
    345,290.80x = 110,588,209,877.83
  5. Step 5: Solve for x
    x = 110,588,209,877.83/345,290.80
  6. Step 6: Final answer
    x = 320,275.58

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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.