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Finding the Fourth Proportional to 508,063.15, 762,094.74 and 171,075.59

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Solution

The fourth proportional to 508,063.15, 762,094.74 and 171,075.59 is: 256,613.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,063.15 : 762,094.74 = 171,075.59 : x
  2. Step 2: Convert to fraction form
    508,063.15/762,094.74 = 171,075.59/x
  3. Step 3: Cross multiply
    508,063.15x = 762,094.74 × 171,075.59
  4. Step 4: Simplify right side
    508,063.15x = 130,375,807,281.40
  5. Step 5: Solve for x
    x = 130,375,807,281.40/508,063.15
  6. Step 6: Final answer
    x = 256,613.39

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Similar ratio
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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.