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Finding the Fourth Proportional to 504,766.16, 696,480.36 and 303,575.12

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Solution

The fourth proportional to 504,766.16, 696,480.36 and 303,575.12 is: 418,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,766.16 : 696,480.36 = 303,575.12 : x
  2. Step 2: Convert to fraction form
    504,766.16/696,480.36 = 303,575.12/x
  3. Step 3: Cross multiply
    504,766.16x = 696,480.36 × 303,575.12
  4. Step 4: Simplify right side
    504,766.16x = 211,434,108,864.64
  5. Step 5: Solve for x
    x = 211,434,108,864.64/504,766.16
  6. Step 6: Final answer
    x = 418,875.36

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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.