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Finding the Fourth Proportional to 562,872.96, 776,765.88 and 304,752.60

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Solution

The fourth proportional to 562,872.96, 776,765.88 and 304,752.60 is: 420,559.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,872.96 : 776,765.88 = 304,752.60 : x
  2. Step 2: Convert to fraction form
    562,872.96/776,765.88 = 304,752.60/x
  3. Step 3: Cross multiply
    562,872.96x = 776,765.88 × 304,752.60
  4. Step 4: Simplify right side
    562,872.96x = 236,721,421,521.29
  5. Step 5: Solve for x
    x = 236,721,421,521.29/562,872.96
  6. Step 6: Final answer
    x = 420,559.24

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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.