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Finding the Fourth Proportional to 445,714.40, 668,276.40 and 246,130.40

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Solution

The fourth proportional to 445,714.40, 668,276.40 and 246,130.40 is: 369,032.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,714.40 : 668,276.40 = 246,130.40 : x
  2. Step 2: Convert to fraction form
    445,714.40/668,276.40 = 246,130.40/x
  3. Step 3: Cross multiply
    445,714.40x = 668,276.40 × 246,130.40
  4. Step 4: Simplify right side
    445,714.40x = 164,483,137,642.56
  5. Step 5: Solve for x
    x = 164,483,137,642.56/445,714.40
  6. Step 6: Final answer
    x = 369,032.59

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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.