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Finding the Fourth Proportional to 664,655.02, 917,219.28 and 362,849.02

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Solution

The fourth proportional to 664,655.02, 917,219.28 and 362,849.02 is: 500,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,655.02 : 917,219.28 = 362,849.02 : x
  2. Step 2: Convert to fraction form
    664,655.02/917,219.28 = 362,849.02/x
  3. Step 3: Cross multiply
    664,655.02x = 917,219.28 × 362,849.02
  4. Step 4: Simplify right side
    664,655.02x = 332,812,116,873.11
  5. Step 5: Solve for x
    x = 332,812,116,873.11/664,655.02
  6. Step 6: Final answer
    x = 500,729.11

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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.