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Finding the Fourth Proportional to 356,533.53, 533,766.33 and 277,407.87

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Solution

The fourth proportional to 356,533.53, 533,766.33 and 277,407.87 is: 415,307.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,533.53 : 533,766.33 = 277,407.87 : x
  2. Step 2: Convert to fraction form
    356,533.53/533,766.33 = 277,407.87/x
  3. Step 3: Cross multiply
    356,533.53x = 533,766.33 × 277,407.87
  4. Step 4: Simplify right side
    356,533.53x = 148,070,980,683.02
  5. Step 5: Solve for x
    x = 148,070,980,683.02/356,533.53
  6. Step 6: Final answer
    x = 415,307.31

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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.