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Finding the Fourth Proportional to 654,995.34, 903,887.18 and 364,602.30

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Solution

The fourth proportional to 654,995.34, 903,887.18 and 364,602.30 is: 503,147.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,995.34 : 903,887.18 = 364,602.30 : x
  2. Step 2: Convert to fraction form
    654,995.34/903,887.18 = 364,602.30/x
  3. Step 3: Cross multiply
    654,995.34x = 903,887.18 × 364,602.30
  4. Step 4: Simplify right side
    654,995.34x = 329,559,344,768.51
  5. Step 5: Solve for x
    x = 329,559,344,768.51/654,995.34
  6. Step 6: Final answer
    x = 503,147.62

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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.