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Finding the Fourth Proportional to 608,129.07, 839,078.88 and 363,066.13

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Solution

The fourth proportional to 608,129.07, 839,078.88 and 363,066.13 is: 500,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,129.07 : 839,078.88 = 363,066.13 : x
  2. Step 2: Convert to fraction form
    608,129.07/839,078.88 = 363,066.13/x
  3. Step 3: Cross multiply
    608,129.07x = 839,078.88 × 363,066.13
  4. Step 4: Simplify right side
    608,129.07x = 304,641,122,008.70
  5. Step 5: Solve for x
    x = 304,641,122,008.70/608,129.07
  6. Step 6: Final answer
    x = 500,948.13

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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.