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Finding the Fourth Proportional to 893,136.80, 1,341,260.40 and 473,232.80

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Solution

The fourth proportional to 893,136.80, 1,341,260.40 and 473,232.80 is: 710,673.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,136.80 : 1,341,260.40 = 473,232.80 : x
  2. Step 2: Convert to fraction form
    893,136.80/1,341,260.40 = 473,232.80/x
  3. Step 3: Cross multiply
    893,136.80x = 1,341,260.40 × 473,232.80
  4. Step 4: Simplify right side
    893,136.80x = 634,728,414,621.12
  5. Step 5: Solve for x
    x = 634,728,414,621.12/893,136.80
  6. Step 6: Final answer
    x = 710,673.23

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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.