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Finding the Fourth Proportional to 379,642.01, 524,009.88 and 236,316.96

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Solution

The fourth proportional to 379,642.01, 524,009.88 and 236,316.96 is: 326,182.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,642.01 : 524,009.88 = 236,316.96 : x
  2. Step 2: Convert to fraction form
    379,642.01/524,009.88 = 236,316.96/x
  3. Step 3: Cross multiply
    379,642.01x = 524,009.88 × 236,316.96
  4. Step 4: Simplify right side
    379,642.01x = 123,832,421,851.57
  5. Step 5: Solve for x
    x = 123,832,421,851.57/379,642.01
  6. Step 6: Final answer
    x = 326,182.09

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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.