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Finding the Fourth Proportional to 616,701.58, 924,631.38 and 328,556.32

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Solution

The fourth proportional to 616,701.58, 924,631.38 and 328,556.32 is: 492,610.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,701.58 : 924,631.38 = 328,556.32 : x
  2. Step 2: Convert to fraction form
    616,701.58/924,631.38 = 328,556.32/x
  3. Step 3: Cross multiply
    616,701.58x = 924,631.38 × 328,556.32
  4. Step 4: Simplify right side
    616,701.58x = 303,793,483,569.32
  5. Step 5: Solve for x
    x = 303,793,483,569.32/616,701.58
  6. Step 6: Final answer
    x = 492,610.19

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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.