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Finding the Fourth Proportional to 559,341.07, 771,886.72 and 304,692.27

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Solution

The fourth proportional to 559,341.07, 771,886.72 and 304,692.27 is: 420,473.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,341.07 : 771,886.72 = 304,692.27 : x
  2. Step 2: Convert to fraction form
    559,341.07/771,886.72 = 304,692.27/x
  3. Step 3: Cross multiply
    559,341.07x = 771,886.72 × 304,692.27
  4. Step 4: Simplify right side
    559,341.07x = 235,187,916,899.65
  5. Step 5: Solve for x
    x = 235,187,916,899.65/559,341.07
  6. Step 6: Final answer
    x = 420,473.18

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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.