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Finding the Fourth Proportional to 335,354.14, 503,030.67 and 86,036.14

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Solution

The fourth proportional to 335,354.14, 503,030.67 and 86,036.14 is: 129,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,354.14 : 503,030.67 = 86,036.14 : x
  2. Step 2: Convert to fraction form
    335,354.14/503,030.67 = 86,036.14/x
  3. Step 3: Cross multiply
    335,354.14x = 503,030.67 × 86,036.14
  4. Step 4: Simplify right side
    335,354.14x = 43,278,817,148.41
  5. Step 5: Solve for x
    x = 43,278,817,148.41/335,354.14
  6. Step 6: Final answer
    x = 129,054.07

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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.