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Finding the Fourth Proportional to 613,278.04, 846,218.34 and 563,670.64

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Solution

The fourth proportional to 613,278.04, 846,218.34 and 563,670.64 is: 777,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,278.04 : 846,218.34 = 563,670.64 : x
  2. Step 2: Convert to fraction form
    613,278.04/846,218.34 = 563,670.64/x
  3. Step 3: Cross multiply
    613,278.04x = 846,218.34 × 563,670.64
  4. Step 4: Simplify right side
    613,278.04x = 476,988,433,287.54
  5. Step 5: Solve for x
    x = 476,988,433,287.54/613,278.04
  6. Step 6: Final answer
    x = 777,768.65

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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.