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Finding the Fourth Proportional to 463,901.95, 640,173.86 and 272,927.64

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Solution

The fourth proportional to 463,901.95, 640,173.86 and 272,927.64 is: 376,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,901.95 : 640,173.86 = 272,927.64 : x
  2. Step 2: Convert to fraction form
    463,901.95/640,173.86 = 272,927.64/x
  3. Step 3: Cross multiply
    463,901.95x = 640,173.86 × 272,927.64
  4. Step 4: Simplify right side
    463,901.95x = 174,721,136,233.98
  5. Step 5: Solve for x
    x = 174,721,136,233.98/463,901.95
  6. Step 6: Final answer
    x = 376,633.77

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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.