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Finding the Fourth Proportional to 664,663.02, 917,230.32 and 362,857.02

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Solution

The fourth proportional to 664,663.02, 917,230.32 and 362,857.02 is: 500,740.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,663.02 : 917,230.32 = 362,857.02 : x
  2. Step 2: Convert to fraction form
    664,663.02/917,230.32 = 362,857.02/x
  3. Step 3: Cross multiply
    664,663.02x = 917,230.32 × 362,857.02
  4. Step 4: Simplify right side
    664,663.02x = 332,823,460,568.85
  5. Step 5: Solve for x
    x = 332,823,460,568.85/664,663.02
  6. Step 6: Final answer
    x = 500,740.15

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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.