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Finding the Fourth Proportional to 632,363.14, 872,681.91 and 345,883.22

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Solution

The fourth proportional to 632,363.14, 872,681.91 and 345,883.22 is: 477,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,363.14 : 872,681.91 = 345,883.22 : x
  2. Step 2: Convert to fraction form
    632,363.14/872,681.91 = 345,883.22/x
  3. Step 3: Cross multiply
    632,363.14x = 872,681.91 × 345,883.22
  4. Step 4: Simplify right side
    632,363.14x = 301,846,029,066.55
  5. Step 5: Solve for x
    x = 301,846,029,066.55/632,363.14
  6. Step 6: Final answer
    x = 477,330.21

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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.