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Finding the Fourth Proportional to 334,554.80, 501,666.15 and 121,314.20

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Solution

The fourth proportional to 334,554.80, 501,666.15 and 121,314.20 is: 181,911.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,554.80 : 501,666.15 = 121,314.20 : x
  2. Step 2: Convert to fraction form
    334,554.80/501,666.15 = 121,314.20/x
  3. Step 3: Cross multiply
    334,554.80x = 501,666.15 × 121,314.20
  4. Step 4: Simplify right side
    334,554.80x = 60,859,227,654.33
  5. Step 5: Solve for x
    x = 60,859,227,654.33/334,554.80
  6. Step 6: Final answer
    x = 181,911.09

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1.5x scale

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.