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Finding the Fourth Proportional to 491,115.40, 736,673.10 and 333,651.40

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Solution

The fourth proportional to 491,115.40, 736,673.10 and 333,651.40 is: 500,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,115.40 : 736,673.10 = 333,651.40 : x
  2. Step 2: Convert to fraction form
    491,115.40/736,673.10 = 333,651.40/x
  3. Step 3: Cross multiply
    491,115.40x = 736,673.10 × 333,651.40
  4. Step 4: Simplify right side
    491,115.40x = 245,792,011,157.34
  5. Step 5: Solve for x
    x = 245,792,011,157.34/491,115.40
  6. Step 6: Final answer
    x = 500,477.10

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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.