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Finding the Fourth Proportional to 474,501.93, 654,812.64 and 259,642.01

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Solution

The fourth proportional to 474,501.93, 654,812.64 and 259,642.01 is: 358,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,501.93 : 654,812.64 = 259,642.01 : x
  2. Step 2: Convert to fraction form
    474,501.93/654,812.64 = 259,642.01/x
  3. Step 3: Cross multiply
    474,501.93x = 654,812.64 × 259,642.01
  4. Step 4: Simplify right side
    474,501.93x = 170,016,866,748.94
  5. Step 5: Solve for x
    x = 170,016,866,748.94/474,501.93
  6. Step 6: Final answer
    x = 358,305.95

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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.