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Finding the Fourth Proportional to 500,486.02, 750,728.84 and 200,966.51

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Solution

The fourth proportional to 500,486.02, 750,728.84 and 200,966.51 is: 301,449.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,486.02 : 750,728.84 = 200,966.51 : x
  2. Step 2: Convert to fraction form
    500,486.02/750,728.84 = 200,966.51/x
  3. Step 3: Cross multiply
    500,486.02x = 750,728.84 × 200,966.51
  4. Step 4: Simplify right side
    500,486.02x = 150,871,354,931.15
  5. Step 5: Solve for x
    x = 150,871,354,931.15/500,486.02
  6. Step 6: Final answer
    x = 301,449.69

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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.