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Finding the Fourth Proportional to 483,840.77, 667,714.77 and 266,038.17

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Solution

The fourth proportional to 483,840.77, 667,714.77 and 266,038.17 is: 367,140.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,840.77 : 667,714.77 = 266,038.17 : x
  2. Step 2: Convert to fraction form
    483,840.77/667,714.77 = 266,038.17/x
  3. Step 3: Cross multiply
    483,840.77x = 667,714.77 × 266,038.17
  4. Step 4: Simplify right side
    483,840.77x = 177,637,615,492.77
  5. Step 5: Solve for x
    x = 177,637,615,492.77/483,840.77
  6. Step 6: Final answer
    x = 367,140.66

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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.