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Finding the Fourth Proportional to 535,776.17, 739,392.26 and 294,066.90

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Solution

The fourth proportional to 535,776.17, 739,392.26 and 294,066.90 is: 405,823.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,776.17 : 739,392.26 = 294,066.90 : x
  2. Step 2: Convert to fraction form
    535,776.17/739,392.26 = 294,066.90/x
  3. Step 3: Cross multiply
    535,776.17x = 739,392.26 × 294,066.90
  4. Step 4: Simplify right side
    535,776.17x = 217,430,788,311.86
  5. Step 5: Solve for x
    x = 217,430,788,311.86/535,776.17
  6. Step 6: Final answer
    x = 405,823.93

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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.