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Finding the Fourth Proportional to 616,458.48, 924,762.45 and 217,017.51

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Solution

The fourth proportional to 616,458.48, 924,762.45 and 217,017.51 is: 325,552.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,458.48 : 924,762.45 = 217,017.51 : x
  2. Step 2: Convert to fraction form
    616,458.48/924,762.45 = 217,017.51/x
  3. Step 3: Cross multiply
    616,458.48x = 924,762.45 × 217,017.51
  4. Step 4: Simplify right side
    616,458.48x = 200,689,644,240.50
  5. Step 5: Solve for x
    x = 200,689,644,240.50/616,458.48
  6. Step 6: Final answer
    x = 325,552.57

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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.