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Finding the Fourth Proportional to 563,549.40, 777,777.92 and 348,758.64

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Solution

The fourth proportional to 563,549.40, 777,777.92 and 348,758.64 is: 481,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,549.40 : 777,777.92 = 348,758.64 : x
  2. Step 2: Convert to fraction form
    563,549.40/777,777.92 = 348,758.64/x
  3. Step 3: Cross multiply
    563,549.40x = 777,777.92 × 348,758.64
  4. Step 4: Simplify right side
    563,549.40x = 271,256,769,601.23
  5. Step 5: Solve for x
    x = 271,256,769,601.23/563,549.40
  6. Step 6: Final answer
    x = 481,336.28

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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.