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Finding the Fourth Proportional to 616,762.12, 851,164.23 and 375,004.66

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Solution

The fourth proportional to 616,762.12, 851,164.23 and 375,004.66 is: 517,526.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,762.12 : 851,164.23 = 375,004.66 : x
  2. Step 2: Convert to fraction form
    616,762.12/851,164.23 = 375,004.66/x
  3. Step 3: Cross multiply
    616,762.12x = 851,164.23 × 375,004.66
  4. Step 4: Simplify right side
    616,762.12x = 319,190,553,396.96
  5. Step 5: Solve for x
    x = 319,190,553,396.96/616,762.12
  6. Step 6: Final answer
    x = 517,526.19

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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.