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Finding the Fourth Proportional to 559,337.34, 771,886.92 and 304,690.38

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Solution

The fourth proportional to 559,337.34, 771,886.92 and 304,690.38 is: 420,473.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,337.34 : 771,886.92 = 304,690.38 : x
  2. Step 2: Convert to fraction form
    559,337.34/771,886.92 = 304,690.38/x
  3. Step 3: Cross multiply
    559,337.34x = 771,886.92 × 304,690.38
  4. Step 4: Simplify right side
    559,337.34x = 235,186,518,971.83
  5. Step 5: Solve for x
    x = 235,186,518,971.83/559,337.34
  6. Step 6: Final answer
    x = 420,473.48

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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.