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Finding the Fourth Proportional to 369,841.35, 510,395.54 and 216,858.27

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Solution

The fourth proportional to 369,841.35, 510,395.54 and 216,858.27 is: 299,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,841.35 : 510,395.54 = 216,858.27 : x
  2. Step 2: Convert to fraction form
    369,841.35/510,395.54 = 216,858.27/x
  3. Step 3: Cross multiply
    369,841.35x = 510,395.54 × 216,858.27
  4. Step 4: Simplify right side
    369,841.35x = 110,683,492,735.82
  5. Step 5: Solve for x
    x = 110,683,492,735.82/369,841.35
  6. Step 6: Final answer
    x = 299,272.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.