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Finding the Fourth Proportional to 507,482.69, 761,236.39 and 170,528.22

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Solution

The fourth proportional to 507,482.69, 761,236.39 and 170,528.22 is: 255,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,482.69 : 761,236.39 = 170,528.22 : x
  2. Step 2: Convert to fraction form
    507,482.69/761,236.39 = 170,528.22/x
  3. Step 3: Cross multiply
    507,482.69x = 761,236.39 × 170,528.22
  4. Step 4: Simplify right side
    507,482.69x = 129,812,289,014.24
  5. Step 5: Solve for x
    x = 129,812,289,014.24/507,482.69
  6. Step 6: Final answer
    x = 255,796.49

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Double scale
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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.