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Finding the Fourth Proportional to 553,952.80, 831,850.80 and 304,813.60

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Solution

The fourth proportional to 553,952.80, 831,850.80 and 304,813.60 is: 457,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,952.80 : 831,850.80 = 304,813.60 : x
  2. Step 2: Convert to fraction form
    553,952.80/831,850.80 = 304,813.60/x
  3. Step 3: Cross multiply
    553,952.80x = 831,850.80 × 304,813.60
  4. Step 4: Simplify right side
    553,952.80x = 253,559,437,010.88
  5. Step 5: Solve for x
    x = 253,559,437,010.88/553,952.80
  6. Step 6: Final answer
    x = 457,727.51

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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.