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Finding the Fourth Proportional to 504,517.12, 696,518.40 and 334,983.04

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Solution

The fourth proportional to 504,517.12, 696,518.40 and 334,983.04 is: 462,465.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,517.12 : 696,518.40 = 334,983.04 : x
  2. Step 2: Convert to fraction form
    504,517.12/696,518.40 = 334,983.04/x
  3. Step 3: Cross multiply
    504,517.12x = 696,518.40 × 334,983.04
  4. Step 4: Simplify right side
    504,517.12x = 233,321,851,047.94
  5. Step 5: Solve for x
    x = 233,321,851,047.94/504,517.12
  6. Step 6: Final answer
    x = 462,465.68

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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.