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Finding the Fourth Proportional to 557,141.80, 834,330.30 and 446,549.80

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Solution

The fourth proportional to 557,141.80, 834,330.30 and 446,549.80 is: 668,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,141.80 : 834,330.30 = 446,549.80 : x
  2. Step 2: Convert to fraction form
    557,141.80/834,330.30 = 446,549.80/x
  3. Step 3: Cross multiply
    557,141.80x = 834,330.30 × 446,549.80
  4. Step 4: Simplify right side
    557,141.80x = 372,570,028,598.94
  5. Step 5: Solve for x
    x = 372,570,028,598.94/557,141.80
  6. Step 6: Final answer
    x = 668,716.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.