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Finding the Fourth Proportional to 400,841.02, 601,246.94 and 120,350.98

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Solution

The fourth proportional to 400,841.02, 601,246.94 and 120,350.98 is: 180,522.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,841.02 : 601,246.94 = 120,350.98 : x
  2. Step 2: Convert to fraction form
    400,841.02/601,246.94 = 120,350.98/x
  3. Step 3: Cross multiply
    400,841.02x = 601,246.94 × 120,350.98
  4. Step 4: Simplify right side
    400,841.02x = 72,360,655,444.77
  5. Step 5: Solve for x
    x = 72,360,655,444.77/400,841.02
  6. Step 6: Final answer
    x = 180,522.08

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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.