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Finding the Fourth Proportional to 654,550.26, 903,273.69 and 368,064.21

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Solution

The fourth proportional to 654,550.26, 903,273.69 and 368,064.21 is: 507,925.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,550.26 : 903,273.69 = 368,064.21 : x
  2. Step 2: Convert to fraction form
    654,550.26/903,273.69 = 368,064.21/x
  3. Step 3: Cross multiply
    654,550.26x = 903,273.69 × 368,064.21
  4. Step 4: Simplify right side
    654,550.26x = 332,462,717,123.64
  5. Step 5: Solve for x
    x = 332,462,717,123.64/654,550.26
  6. Step 6: Final answer
    x = 507,925.42

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Double scale
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Similar ratio
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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.