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Finding the Fourth Proportional to 286,337.04, 395,342.82 and 178,955.34

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Solution

The fourth proportional to 286,337.04, 395,342.82 and 178,955.34 is: 247,081.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,337.04 : 395,342.82 = 178,955.34 : x
  2. Step 2: Convert to fraction form
    286,337.04/395,342.82 = 178,955.34/x
  3. Step 3: Cross multiply
    286,337.04x = 395,342.82 × 178,955.34
  4. Step 4: Simplify right side
    286,337.04x = 70,748,708,769.66
  5. Step 5: Solve for x
    x = 70,748,708,769.66/286,337.04
  6. Step 6: Final answer
    x = 247,081.93

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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.