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Finding the Fourth Proportional to 506,904.84, 699,684.48 and 292,188.42

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Solution

The fourth proportional to 506,904.84, 699,684.48 and 292,188.42 is: 403,309.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,904.84 : 699,684.48 = 292,188.42 : x
  2. Step 2: Convert to fraction form
    506,904.84/699,684.48 = 292,188.42/x
  3. Step 3: Cross multiply
    506,904.84x = 699,684.48 × 292,188.42
  4. Step 4: Simplify right side
    506,904.84x = 204,439,702,709.72
  5. Step 5: Solve for x
    x = 204,439,702,709.72/506,904.84
  6. Step 6: Final answer
    x = 403,309.83

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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.