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Finding the Fourth Proportional to 613,117.80, 846,176.22 and 371,393.28

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Solution

The fourth proportional to 613,117.80, 846,176.22 and 371,393.28 is: 512,567.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,117.80 : 846,176.22 = 371,393.28 : x
  2. Step 2: Convert to fraction form
    613,117.80/846,176.22 = 371,393.28/x
  3. Step 3: Cross multiply
    613,117.80x = 846,176.22 × 371,393.28
  4. Step 4: Simplify right side
    613,117.80x = 314,264,161,803.80
  5. Step 5: Solve for x
    x = 314,264,161,803.80/613,117.80
  6. Step 6: Final answer
    x = 512,567.34

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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.