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Finding the Fourth Proportional to 508,883.01, 702,231.15 and 282,513.93

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Solution

The fourth proportional to 508,883.01, 702,231.15 and 282,513.93 is: 389,854.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,883.01 : 702,231.15 = 282,513.93 : x
  2. Step 2: Convert to fraction form
    508,883.01/702,231.15 = 282,513.93/x
  3. Step 3: Cross multiply
    508,883.01x = 702,231.15 × 282,513.93
  4. Step 4: Simplify right side
    508,883.01x = 198,390,081,954.92
  5. Step 5: Solve for x
    x = 198,390,081,954.92/508,883.01
  6. Step 6: Final answer
    x = 389,854.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.