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Finding the Fourth Proportional to 358,880.40, 538,277.40 and 148,496.40

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Solution

The fourth proportional to 358,880.40, 538,277.40 and 148,496.40 is: 222,726.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,880.40 : 538,277.40 = 148,496.40 : x
  2. Step 2: Convert to fraction form
    358,880.40/538,277.40 = 148,496.40/x
  3. Step 3: Cross multiply
    358,880.40x = 538,277.40 × 148,496.40
  4. Step 4: Simplify right side
    358,880.40x = 79,932,256,101.36
  5. Step 5: Solve for x
    x = 79,932,256,101.36/358,880.40
  6. Step 6: Final answer
    x = 222,726.72

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1.5x scale

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.