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Finding the Fourth Proportional to 559,437.93, 839,069.82 and 306,842.67

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Solution

The fourth proportional to 559,437.93, 839,069.82 and 306,842.67 is: 460,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,437.93 : 839,069.82 = 306,842.67 : x
  2. Step 2: Convert to fraction form
    559,437.93/839,069.82 = 306,842.67/x
  3. Step 3: Cross multiply
    559,437.93x = 839,069.82 × 306,842.67
  4. Step 4: Simplify right side
    559,437.93x = 257,462,423,885.22
  5. Step 5: Solve for x
    x = 257,462,423,885.22/559,437.93
  6. Step 6: Final answer
    x = 460,216.25

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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.