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Finding the Fourth Proportional to 357,006.48, 535,599.72 and 252,030.48

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Solution

The fourth proportional to 357,006.48, 535,599.72 and 252,030.48 is: 378,109.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,006.48 : 535,599.72 = 252,030.48 : x
  2. Step 2: Convert to fraction form
    357,006.48/535,599.72 = 252,030.48/x
  3. Step 3: Cross multiply
    357,006.48x = 535,599.72 × 252,030.48
  4. Step 4: Simplify right side
    357,006.48x = 134,987,454,519.47
  5. Step 5: Solve for x
    x = 134,987,454,519.47/357,006.48
  6. Step 6: Final answer
    x = 378,109.26

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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.