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Finding the Fourth Proportional to 262,446.90, 393,670.35 and 248,622.90

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Solution

The fourth proportional to 262,446.90, 393,670.35 and 248,622.90 is: 372,934.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,446.90 : 393,670.35 = 248,622.90 : x
  2. Step 2: Convert to fraction form
    262,446.90/393,670.35 = 248,622.90/x
  3. Step 3: Cross multiply
    262,446.90x = 393,670.35 × 248,622.90
  4. Step 4: Simplify right side
    262,446.90x = 97,875,464,061.02
  5. Step 5: Solve for x
    x = 97,875,464,061.02/262,446.90
  6. Step 6: Final answer
    x = 372,934.35

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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.