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Finding the Fourth Proportional to 581,089.68, 871,679.88 and 226,076.40

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Solution

The fourth proportional to 581,089.68, 871,679.88 and 226,076.40 is: 339,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,089.68 : 871,679.88 = 226,076.40 : x
  2. Step 2: Convert to fraction form
    581,089.68/871,679.88 = 226,076.40/x
  3. Step 3: Cross multiply
    581,089.68x = 871,679.88 × 226,076.40
  4. Step 4: Simplify right side
    581,089.68x = 197,066,249,222.83
  5. Step 5: Solve for x
    x = 197,066,249,222.83/581,089.68
  6. Step 6: Final answer
    x = 339,132.25

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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.