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Finding the Fourth Proportional to 556,529.20, 834,779.88 and 304,054.96

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Solution

The fourth proportional to 556,529.20, 834,779.88 and 304,054.96 is: 456,074.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,529.20 : 834,779.88 = 304,054.96 : x
  2. Step 2: Convert to fraction form
    556,529.20/834,779.88 = 304,054.96/x
  3. Step 3: Cross multiply
    556,529.20x = 834,779.88 × 304,054.96
  4. Step 4: Simplify right side
    556,529.20x = 253,818,963,022.21
  5. Step 5: Solve for x
    x = 253,818,963,022.21/556,529.20
  6. Step 6: Final answer
    x = 456,074.83

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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.