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Finding the Fourth Proportional to 497,673.80, 746,510.70 and 338,006.60

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Solution

The fourth proportional to 497,673.80, 746,510.70 and 338,006.60 is: 507,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,673.80 : 746,510.70 = 338,006.60 : x
  2. Step 2: Convert to fraction form
    497,673.80/746,510.70 = 338,006.60/x
  3. Step 3: Cross multiply
    497,673.80x = 746,510.70 × 338,006.60
  4. Step 4: Simplify right side
    497,673.80x = 252,325,543,570.62
  5. Step 5: Solve for x
    x = 252,325,543,570.62/497,673.80
  6. Step 6: Final answer
    x = 507,009.90

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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.