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Finding the Fourth Proportional to 358,283.25, 535,763.88 and 277,404.48

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Solution

The fourth proportional to 358,283.25, 535,763.88 and 277,404.48 is: 414,820.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,283.25 : 535,763.88 = 277,404.48 : x
  2. Step 2: Convert to fraction form
    358,283.25/535,763.88 = 277,404.48/x
  3. Step 3: Cross multiply
    358,283.25x = 535,763.88 × 277,404.48
  4. Step 4: Simplify right side
    358,283.25x = 148,623,300,534.18
  5. Step 5: Solve for x
    x = 148,623,300,534.18/358,283.25
  6. Step 6: Final answer
    x = 414,820.68

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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.