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Finding the Fourth Proportional to 567,807.45, 783,621.39 and 326,136.66

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Solution

The fourth proportional to 567,807.45, 783,621.39 and 326,136.66 is: 450,095.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,807.45 : 783,621.39 = 326,136.66 : x
  2. Step 2: Convert to fraction form
    567,807.45/783,621.39 = 326,136.66/x
  3. Step 3: Cross multiply
    567,807.45x = 783,621.39 × 326,136.66
  4. Step 4: Simplify right side
    567,807.45x = 255,567,662,839.16
  5. Step 5: Solve for x
    x = 255,567,662,839.16/567,807.45
  6. Step 6: Final answer
    x = 450,095.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.