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Finding the Fourth Proportional to 314,816.10, 472,224.15 and 248,460.90

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Solution

The fourth proportional to 314,816.10, 472,224.15 and 248,460.90 is: 372,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,816.10 : 472,224.15 = 248,460.90 : x
  2. Step 2: Convert to fraction form
    314,816.10/472,224.15 = 248,460.90/x
  3. Step 3: Cross multiply
    314,816.10x = 472,224.15 × 248,460.90
  4. Step 4: Simplify right side
    314,816.10x = 117,329,237,310.74
  5. Step 5: Solve for x
    x = 117,329,237,310.74/314,816.10
  6. Step 6: Final answer
    x = 372,691.35

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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.