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Finding the Fourth Proportional to 303,265, 418,370.43 and 175,866.82

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Solution

The fourth proportional to 303,265, 418,370.43 and 175,866.82 is: 242,617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,265 : 418,370.43 = 175,866.82 : x
  2. Step 2: Convert to fraction form
    303,265/418,370.43 = 175,866.82/x
  3. Step 3: Cross multiply
    303,265x = 418,370.43 × 175,866.82
  4. Step 4: Simplify right side
    303,265x = 73,577,477,106.13
  5. Step 5: Solve for x
    x = 73,577,477,106.13/303,265
  6. Step 6: Final answer
    x = 242,617.77

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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.