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Finding the Fourth Proportional to 556,260.40, 834,026.10 and 219,097.90

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Solution

The fourth proportional to 556,260.40, 834,026.10 and 219,097.90 is: 328,503.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,260.40 : 834,026.10 = 219,097.90 : x
  2. Step 2: Convert to fraction form
    556,260.40/834,026.10 = 219,097.90/x
  3. Step 3: Cross multiply
    556,260.40x = 834,026.10 × 219,097.90
  4. Step 4: Simplify right side
    556,260.40x = 182,733,367,055.19
  5. Step 5: Solve for x
    x = 182,733,367,055.19/556,260.40
  6. Step 6: Final answer
    x = 328,503.28

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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.