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Finding the Fourth Proportional to 400,317.95, 600,382.58 and 147,461.11

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Solution

The fourth proportional to 400,317.95, 600,382.58 and 147,461.11 is: 221,156.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,317.95 : 600,382.58 = 147,461.11 : x
  2. Step 2: Convert to fraction form
    400,317.95/600,382.58 = 147,461.11/x
  3. Step 3: Cross multiply
    400,317.95x = 600,382.58 × 147,461.11
  4. Step 4: Simplify right side
    400,317.95x = 88,533,080,262.67
  5. Step 5: Solve for x
    x = 88,533,080,262.67/400,317.95
  6. Step 6: Final answer
    x = 221,156.91

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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.