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Finding the Fourth Proportional to 528,360.57, 791,930.52 and 243,455.49

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Solution

The fourth proportional to 528,360.57, 791,930.52 and 243,455.49 is: 364,902.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,360.57 : 791,930.52 = 243,455.49 : x
  2. Step 2: Convert to fraction form
    528,360.57/791,930.52 = 243,455.49/x
  3. Step 3: Cross multiply
    528,360.57x = 791,930.52 × 243,455.49
  4. Step 4: Simplify right side
    528,360.57x = 192,799,832,792.56
  5. Step 5: Solve for x
    x = 192,799,832,792.56/528,360.57
  6. Step 6: Final answer
    x = 364,902.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.