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Finding the Fourth Proportional to 359,507.84, 539,261.75 and 122,852.57

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Solution

The fourth proportional to 359,507.84, 539,261.75 and 122,852.57 is: 184,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,507.84 : 539,261.75 = 122,852.57 : x
  2. Step 2: Convert to fraction form
    359,507.84/539,261.75 = 122,852.57/x
  3. Step 3: Cross multiply
    359,507.84x = 539,261.75 × 122,852.57
  4. Step 4: Simplify right side
    359,507.84x = 66,249,689,501.02
  5. Step 5: Solve for x
    x = 66,249,689,501.02/359,507.84
  6. Step 6: Final answer
    x = 184,278.85

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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.