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Finding the Fourth Proportional to 294,696.77, 406,648.76 and 165,605.45

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Solution

The fourth proportional to 294,696.77, 406,648.76 and 165,605.45 is: 228,517.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,696.77 : 406,648.76 = 165,605.45 : x
  2. Step 2: Convert to fraction form
    294,696.77/406,648.76 = 165,605.45/x
  3. Step 3: Cross multiply
    294,696.77x = 406,648.76 × 165,605.45
  4. Step 4: Simplify right side
    294,696.77x = 67,343,248,030.47
  5. Step 5: Solve for x
    x = 67,343,248,030.47/294,696.77
  6. Step 6: Final answer
    x = 228,517.09

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1.5x scale

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.