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Finding the Fourth Proportional to 584,964.64, 807,206.16 and 330,338.08

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Solution

The fourth proportional to 584,964.64, 807,206.16 and 330,338.08 is: 455,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,964.64 : 807,206.16 = 330,338.08 : x
  2. Step 2: Convert to fraction form
    584,964.64/807,206.16 = 330,338.08/x
  3. Step 3: Cross multiply
    584,964.64x = 807,206.16 × 330,338.08
  4. Step 4: Simplify right side
    584,964.64x = 266,650,933,058.57
  5. Step 5: Solve for x
    x = 266,650,933,058.57/584,964.64
  6. Step 6: Final answer
    x = 455,841.11

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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.