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Finding the Fourth Proportional to 508,341.96, 761,980.86 and 171,266.13

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Solution

The fourth proportional to 508,341.96, 761,980.86 and 171,266.13 is: 256,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,341.96 : 761,980.86 = 171,266.13 : x
  2. Step 2: Convert to fraction form
    508,341.96/761,980.86 = 171,266.13/x
  3. Step 3: Cross multiply
    508,341.96x = 761,980.86 × 171,266.13
  4. Step 4: Simplify right side
    508,341.96x = 130,501,513,026.27
  5. Step 5: Solve for x
    x = 130,501,513,026.27/508,341.96
  6. Step 6: Final answer
    x = 256,719.93

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Double scale
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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.