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Finding the Fourth Proportional to 654,995.59, 903,887.54 and 364,602.55

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Solution

The fourth proportional to 654,995.59, 903,887.54 and 364,602.55 is: 503,147.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,995.59 : 903,887.54 = 364,602.55 : x
  2. Step 2: Convert to fraction form
    654,995.59/903,887.54 = 364,602.55/x
  3. Step 3: Cross multiply
    654,995.59x = 903,887.54 × 364,602.55
  4. Step 4: Simplify right side
    654,995.59x = 329,559,700,174.21
  5. Step 5: Solve for x
    x = 329,559,700,174.21/654,995.59
  6. Step 6: Final answer
    x = 503,147.97

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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.