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Finding the Fourth Proportional to 508,060.01, 762,090.35 and 129,009.17

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Solution

The fourth proportional to 508,060.01, 762,090.35 and 129,009.17 is: 193,513.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,060.01 : 762,090.35 = 129,009.17 : x
  2. Step 2: Convert to fraction form
    508,060.01/762,090.35 = 129,009.17/x
  3. Step 3: Cross multiply
    508,060.01x = 762,090.35 × 129,009.17
  4. Step 4: Simplify right side
    508,060.01x = 98,316,643,518.51
  5. Step 5: Solve for x
    x = 98,316,643,518.51/508,060.01
  6. Step 6: Final answer
    x = 193,513.84

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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.