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Finding the Fourth Proportional to 490,688.10, 736,032.15 and 301,731.30

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Solution

The fourth proportional to 490,688.10, 736,032.15 and 301,731.30 is: 452,596.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,688.10 : 736,032.15 = 301,731.30 : x
  2. Step 2: Convert to fraction form
    490,688.10/736,032.15 = 301,731.30/x
  3. Step 3: Cross multiply
    490,688.10x = 736,032.15 × 301,731.30
  4. Step 4: Simplify right side
    490,688.10x = 222,083,937,461.30
  5. Step 5: Solve for x
    x = 222,083,937,461.30/490,688.10
  6. Step 6: Final answer
    x = 452,596.95

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Similar ratio
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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.