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Finding the Fourth Proportional to 553,766.90, 830,098.32 and 233,999.42

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Solution

The fourth proportional to 553,766.90, 830,098.32 and 233,999.42 is: 350,765.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,766.90 : 830,098.32 = 233,999.42 : x
  2. Step 2: Convert to fraction form
    553,766.90/830,098.32 = 233,999.42/x
  3. Step 3: Cross multiply
    553,766.90x = 830,098.32 × 233,999.42
  4. Step 4: Simplify right side
    553,766.90x = 194,242,525,422.97
  5. Step 5: Solve for x
    x = 194,242,525,422.97/553,766.90
  6. Step 6: Final answer
    x = 350,765.86

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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.