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Finding the Fourth Proportional to 553,361.52, 829,450.98 and 395,110.20

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Solution

The fourth proportional to 553,361.52, 829,450.98 and 395,110.20 is: 592,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,361.52 : 829,450.98 = 395,110.20 : x
  2. Step 2: Convert to fraction form
    553,361.52/829,450.98 = 395,110.20/x
  3. Step 3: Cross multiply
    553,361.52x = 829,450.98 × 395,110.20
  4. Step 4: Simplify right side
    553,361.52x = 327,724,542,598.00
  5. Step 5: Solve for x
    x = 327,724,542,598.00/553,361.52
  6. Step 6: Final answer
    x = 592,243.10

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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.