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Finding the Fourth Proportional to 556,042.40, 834,841.20 and 346,090.40

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Solution

The fourth proportional to 556,042.40, 834,841.20 and 346,090.40 is: 519,619.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,042.40 : 834,841.20 = 346,090.40 : x
  2. Step 2: Convert to fraction form
    556,042.40/834,841.20 = 346,090.40/x
  3. Step 3: Cross multiply
    556,042.40x = 834,841.20 × 346,090.40
  4. Step 4: Simplify right side
    556,042.40x = 288,930,524,844.48
  5. Step 5: Solve for x
    x = 288,930,524,844.48/556,042.40
  6. Step 6: Final answer
    x = 519,619.59

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1.5x scale

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.