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Finding the Fourth Proportional to 577,877.58, 866,094.39 and 278,302.50

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Solution

The fourth proportional to 577,877.58, 866,094.39 and 278,302.50 is: 417,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,877.58 : 866,094.39 = 278,302.50 : x
  2. Step 2: Convert to fraction form
    577,877.58/866,094.39 = 278,302.50/x
  3. Step 3: Cross multiply
    577,877.58x = 866,094.39 × 278,302.50
  4. Step 4: Simplify right side
    577,877.58x = 241,036,233,972.98
  5. Step 5: Solve for x
    x = 241,036,233,972.98/577,877.58
  6. Step 6: Final answer
    x = 417,106.05

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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.