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Finding the Fourth Proportional to 556,780.60, 834,894.06 and 177,651.64

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Solution

The fourth proportional to 556,780.60, 834,894.06 and 177,651.64 is: 266,389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,780.60 : 834,894.06 = 177,651.64 : x
  2. Step 2: Convert to fraction form
    556,780.60/834,894.06 = 177,651.64/x
  3. Step 3: Cross multiply
    556,780.60x = 834,894.06 × 177,651.64
  4. Step 4: Simplify right side
    556,780.60x = 148,320,298,985.26
  5. Step 5: Solve for x
    x = 148,320,298,985.26/556,780.60
  6. Step 6: Final answer
    x = 266,389.13

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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.