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Finding the Fourth Proportional to 540,398.44, 810,645.18 and 141,036.04

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Solution

The fourth proportional to 540,398.44, 810,645.18 and 141,036.04 is: 211,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,398.44 : 810,645.18 = 141,036.04 : x
  2. Step 2: Convert to fraction form
    540,398.44/810,645.18 = 141,036.04/x
  3. Step 3: Cross multiply
    540,398.44x = 810,645.18 × 141,036.04
  4. Step 4: Simplify right side
    540,398.44x = 114,330,186,032.29
  5. Step 5: Solve for x
    x = 114,330,186,032.29/540,398.44
  6. Step 6: Final answer
    x = 211,566.46

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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.