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Finding the Fourth Proportional to 510,368.17, 765,554.05 and 150,543.45

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Solution

The fourth proportional to 510,368.17, 765,554.05 and 150,543.45 is: 225,815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,368.17 : 765,554.05 = 150,543.45 : x
  2. Step 2: Convert to fraction form
    510,368.17/765,554.05 = 150,543.45/x
  3. Step 3: Cross multiply
    510,368.17x = 765,554.05 × 150,543.45
  4. Step 4: Simplify right side
    510,368.17x = 115,249,152,122.17
  5. Step 5: Solve for x
    x = 115,249,152,122.17/510,368.17
  6. Step 6: Final answer
    x = 225,815.71

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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.