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Finding the Fourth Proportional to 524,026.56, 722,946.69 and 330,370.55

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Solution

The fourth proportional to 524,026.56, 722,946.69 and 330,370.55 is: 455,778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,026.56 : 722,946.69 = 330,370.55 : x
  2. Step 2: Convert to fraction form
    524,026.56/722,946.69 = 330,370.55/x
  3. Step 3: Cross multiply
    524,026.56x = 722,946.69 × 330,370.55
  4. Step 4: Simplify right side
    524,026.56x = 238,840,291,981.25
  5. Step 5: Solve for x
    x = 238,840,291,981.25/524,026.56
  6. Step 6: Final answer
    x = 455,778.98

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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.