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Finding the Fourth Proportional to 435,503.82, 652,643.10 and 346,361.70

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Solution

The fourth proportional to 435,503.82, 652,643.10 and 346,361.70 is: 519,055.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,503.82 : 652,643.10 = 346,361.70 : x
  2. Step 2: Convert to fraction form
    435,503.82/652,643.10 = 346,361.70/x
  3. Step 3: Cross multiply
    435,503.82x = 652,643.10 × 346,361.70
  4. Step 4: Simplify right side
    435,503.82x = 226,050,573,609.27
  5. Step 5: Solve for x
    x = 226,050,573,609.27/435,503.82
  6. Step 6: Final answer
    x = 519,055.32

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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.