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Finding the Fourth Proportional to 316,444.80, 474,513.60 and 176,054.40

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Solution

The fourth proportional to 316,444.80, 474,513.60 and 176,054.40 is: 263,996.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,444.80 : 474,513.60 = 176,054.40 : x
  2. Step 2: Convert to fraction form
    316,444.80/474,513.60 = 176,054.40/x
  3. Step 3: Cross multiply
    316,444.80x = 474,513.60 × 176,054.40
  4. Step 4: Simplify right side
    316,444.80x = 83,540,207,139.84
  5. Step 5: Solve for x
    x = 83,540,207,139.84/316,444.80
  6. Step 6: Final answer
    x = 263,996.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.