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Finding the Fourth Proportional to 503,349, 755,140.30 and 170,925.32

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Solution

The fourth proportional to 503,349, 755,140.30 and 170,925.32 is: 256,427.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,349 : 755,140.30 = 170,925.32 : x
  2. Step 2: Convert to fraction form
    503,349/755,140.30 = 170,925.32/x
  3. Step 3: Cross multiply
    503,349x = 755,140.30 × 170,925.32
  4. Step 4: Simplify right side
    503,349x = 129,072,597,422.40
  5. Step 5: Solve for x
    x = 129,072,597,422.40/503,349
  6. Step 6: Final answer
    x = 256,427.64

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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.