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Finding the Fourth Proportional to 468,290.61, 702,005.34 and 168,697.92

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Solution

The fourth proportional to 468,290.61, 702,005.34 and 168,697.92 is: 252,891.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,290.61 : 702,005.34 = 168,697.92 : x
  2. Step 2: Convert to fraction form
    468,290.61/702,005.34 = 168,697.92/x
  3. Step 3: Cross multiply
    468,290.61x = 702,005.34 × 168,697.92
  4. Step 4: Simplify right side
    468,290.61x = 118,426,841,319.51
  5. Step 5: Solve for x
    x = 118,426,841,319.51/468,290.61
  6. Step 6: Final answer
    x = 252,891.77

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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.