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Finding the Fourth Proportional to 523,100.33, 722,384.55 and 450,802.21

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Solution

The fourth proportional to 523,100.33, 722,384.55 and 450,802.21 is: 622,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,100.33 : 722,384.55 = 450,802.21 : x
  2. Step 2: Convert to fraction form
    523,100.33/722,384.55 = 450,802.21/x
  3. Step 3: Cross multiply
    523,100.33x = 722,384.55 × 450,802.21
  4. Step 4: Simplify right side
    523,100.33x = 325,652,552,426.25
  5. Step 5: Solve for x
    x = 325,652,552,426.25/523,100.33
  6. Step 6: Final answer
    x = 622,543.20

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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.