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Finding the Fourth Proportional to 336,798.72, 464,752.80 and 215,726.40

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Solution

The fourth proportional to 336,798.72, 464,752.80 and 215,726.40 is: 297,683.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,798.72 : 464,752.80 = 215,726.40 : x
  2. Step 2: Convert to fraction form
    336,798.72/464,752.80 = 215,726.40/x
  3. Step 3: Cross multiply
    336,798.72x = 464,752.80 × 215,726.40
  4. Step 4: Simplify right side
    336,798.72x = 100,259,448,433.92
  5. Step 5: Solve for x
    x = 100,259,448,433.92/336,798.72
  6. Step 6: Final answer
    x = 297,683.58

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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.