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Finding the Fourth Proportional to 562,528.62, 776,291.58 and 304,405.58

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Solution

The fourth proportional to 562,528.62, 776,291.58 and 304,405.58 is: 420,080.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,528.62 : 776,291.58 = 304,405.58 : x
  2. Step 2: Convert to fraction form
    562,528.62/776,291.58 = 304,405.58/x
  3. Step 3: Cross multiply
    562,528.62x = 776,291.58 × 304,405.58
  4. Step 4: Simplify right side
    562,528.62x = 236,307,490,599.75
  5. Step 5: Solve for x
    x = 236,307,490,599.75/562,528.62
  6. Step 6: Final answer
    x = 420,080.83

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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.