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Finding the Fourth Proportional to 569,429.19, 785,774.88 and 327,672.75

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Solution

The fourth proportional to 569,429.19, 785,774.88 and 327,672.75 is: 452,166.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,429.19 : 785,774.88 = 327,672.75 : x
  2. Step 2: Convert to fraction form
    569,429.19/785,774.88 = 327,672.75/x
  3. Step 3: Cross multiply
    569,429.19x = 785,774.88 × 327,672.75
  4. Step 4: Simplify right side
    569,429.19x = 257,477,015,810.52
  5. Step 5: Solve for x
    x = 257,477,015,810.52/569,429.19
  6. Step 6: Final answer
    x = 452,166.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.