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Finding the Fourth Proportional to 369,912.22, 510,424.13 and 224,642.45

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Solution

The fourth proportional to 369,912.22, 510,424.13 and 224,642.45 is: 309,973.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,912.22 : 510,424.13 = 224,642.45 : x
  2. Step 2: Convert to fraction form
    369,912.22/510,424.13 = 224,642.45/x
  3. Step 3: Cross multiply
    369,912.22x = 510,424.13 × 224,642.45
  4. Step 4: Simplify right side
    369,912.22x = 114,662,925,979.11
  5. Step 5: Solve for x
    x = 114,662,925,979.11/369,912.22
  6. Step 6: Final answer
    x = 309,973.34

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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.