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Finding the Fourth Proportional to 298,259.63, 411,598.28 and 164,123.63

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Solution

The fourth proportional to 298,259.63, 411,598.28 and 164,123.63 is: 226,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,259.63 : 411,598.28 = 164,123.63 : x
  2. Step 2: Convert to fraction form
    298,259.63/411,598.28 = 164,123.63/x
  3. Step 3: Cross multiply
    298,259.63x = 411,598.28 × 164,123.63
  4. Step 4: Simplify right side
    298,259.63x = 67,553,003,815.36
  5. Step 5: Solve for x
    x = 67,553,003,815.36/298,259.63
  6. Step 6: Final answer
    x = 226,490.60

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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.