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Finding the Fourth Proportional to 565,406.70, 848,110.05 and 488,424.30

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Solution

The fourth proportional to 565,406.70, 848,110.05 and 488,424.30 is: 732,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,406.70 : 848,110.05 = 488,424.30 : x
  2. Step 2: Convert to fraction form
    565,406.70/848,110.05 = 488,424.30/x
  3. Step 3: Cross multiply
    565,406.70x = 848,110.05 × 488,424.30
  4. Step 4: Simplify right side
    565,406.70x = 414,237,557,494.22
  5. Step 5: Solve for x
    x = 414,237,557,494.22/565,406.70
  6. Step 6: Final answer
    x = 732,636.45

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.