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Finding the Fourth Proportional to 365,220.05, 547,994.10 and 165,437.60

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Solution

The fourth proportional to 365,220.05, 547,994.10 and 165,437.60 is: 248,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,220.05 : 547,994.10 = 165,437.60 : x
  2. Step 2: Convert to fraction form
    365,220.05/547,994.10 = 165,437.60/x
  3. Step 3: Cross multiply
    365,220.05x = 547,994.10 × 165,437.60
  4. Step 4: Simplify right side
    365,220.05x = 90,658,828,718.16
  5. Step 5: Solve for x
    x = 90,658,828,718.16/365,220.05
  6. Step 6: Final answer
    x = 248,230.70

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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.