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Finding the Fourth Proportional to 365,424.08, 548,098.65 and 99,211.50

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Solution

The fourth proportional to 365,424.08, 548,098.65 and 99,211.50 is: 148,807.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,424.08 : 548,098.65 = 99,211.50 : x
  2. Step 2: Convert to fraction form
    365,424.08/548,098.65 = 99,211.50/x
  3. Step 3: Cross multiply
    365,424.08x = 548,098.65 × 99,211.50
  4. Step 4: Simplify right side
    365,424.08x = 54,377,689,214.48
  5. Step 5: Solve for x
    x = 54,377,689,214.48/365,424.08
  6. Step 6: Final answer
    x = 148,807.08

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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.