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Finding the Fourth Proportional to 581,887.08, 803,020.14 and 352,395.90

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Solution

The fourth proportional to 581,887.08, 803,020.14 and 352,395.90 is: 486,316.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,887.08 : 803,020.14 = 352,395.90 : x
  2. Step 2: Convert to fraction form
    581,887.08/803,020.14 = 352,395.90/x
  3. Step 3: Cross multiply
    581,887.08x = 803,020.14 × 352,395.90
  4. Step 4: Simplify right side
    581,887.08x = 282,981,004,953.43
  5. Step 5: Solve for x
    x = 282,981,004,953.43/581,887.08
  6. Step 6: Final answer
    x = 486,316.01

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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.