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Finding the Fourth Proportional to 344,577.60, 517,384.80 and 265,780.80

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Solution

The fourth proportional to 344,577.60, 517,384.80 and 265,780.80 is: 399,071.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,577.60 : 517,384.80 = 265,780.80 : x
  2. Step 2: Convert to fraction form
    344,577.60/517,384.80 = 265,780.80/x
  3. Step 3: Cross multiply
    344,577.60x = 517,384.80 × 265,780.80
  4. Step 4: Simplify right side
    344,577.60x = 137,510,946,051.84
  5. Step 5: Solve for x
    x = 137,510,946,051.84/344,577.60
  6. Step 6: Final answer
    x = 399,071.05

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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.