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Finding the Fourth Proportional to 310,063.14, 427,881.69 and 174,098.16

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Solution

The fourth proportional to 310,063.14, 427,881.69 and 174,098.16 is: 240,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,063.14 : 427,881.69 = 174,098.16 : x
  2. Step 2: Convert to fraction form
    310,063.14/427,881.69 = 174,098.16/x
  3. Step 3: Cross multiply
    310,063.14x = 427,881.69 × 174,098.16
  4. Step 4: Simplify right side
    310,063.14x = 74,493,414,926.69
  5. Step 5: Solve for x
    x = 74,493,414,926.69/310,063.14
  6. Step 6: Final answer
    x = 240,252.40

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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.