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Finding the Fourth Proportional to 298,288.07, 411,637.60 and 164,152.07

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Solution

The fourth proportional to 298,288.07, 411,637.60 and 164,152.07 is: 226,529.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,288.07 : 411,637.60 = 164,152.07 : x
  2. Step 2: Convert to fraction form
    298,288.07/411,637.60 = 164,152.07/x
  3. Step 3: Cross multiply
    298,288.07x = 411,637.60 × 164,152.07
  4. Step 4: Simplify right side
    298,288.07x = 67,571,162,071.64
  5. Step 5: Solve for x
    x = 67,571,162,071.64/298,288.07
  6. Step 6: Final answer
    x = 226,529.89

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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.