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Finding the Fourth Proportional to 552,181.40, 829,049.70 and 433,986.20

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Solution

The fourth proportional to 552,181.40, 829,049.70 and 433,986.20 is: 651,590.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,181.40 : 829,049.70 = 433,986.20 : x
  2. Step 2: Convert to fraction form
    552,181.40/829,049.70 = 433,986.20/x
  3. Step 3: Cross multiply
    552,181.40x = 829,049.70 × 433,986.20
  4. Step 4: Simplify right side
    552,181.40x = 359,796,128,914.14
  5. Step 5: Solve for x
    x = 359,796,128,914.14/552,181.40
  6. Step 6: Final answer
    x = 651,590.45

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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.