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Finding the Fourth Proportional to 507,798.48, 761,763.24 and 170,693.76

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Solution

The fourth proportional to 507,798.48, 761,763.24 and 170,693.76 is: 256,062.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,798.48 : 761,763.24 = 170,693.76 : x
  2. Step 2: Convert to fraction form
    507,798.48/761,763.24 = 170,693.76/x
  3. Step 3: Cross multiply
    507,798.48x = 761,763.24 × 170,693.76
  4. Step 4: Simplify right side
    507,798.48x = 130,028,231,665.38
  5. Step 5: Solve for x
    x = 130,028,231,665.38/507,798.48
  6. Step 6: Final answer
    x = 256,062.66

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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.