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Finding the Fourth Proportional to 664,511.77, 917,026.28 and 362,705.77

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Solution

The fourth proportional to 664,511.77, 917,026.28 and 362,705.77 is: 500,533.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,511.77 : 917,026.28 = 362,705.77 : x
  2. Step 2: Convert to fraction form
    664,511.77/917,026.28 = 362,705.77/x
  3. Step 3: Cross multiply
    664,511.77x = 917,026.28 × 362,705.77
  4. Step 4: Simplify right side
    664,511.77x = 332,610,722,997.64
  5. Step 5: Solve for x
    x = 332,610,722,997.64/664,511.77
  6. Step 6: Final answer
    x = 500,533.98

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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.