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Finding the Fourth Proportional to 605,713.61, 835,827.66 and 357,316.81

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Solution

The fourth proportional to 605,713.61, 835,827.66 and 357,316.81 is: 493,063.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,713.61 : 835,827.66 = 357,316.81 : x
  2. Step 2: Convert to fraction form
    605,713.61/835,827.66 = 357,316.81/x
  3. Step 3: Cross multiply
    605,713.61x = 835,827.66 × 357,316.81
  4. Step 4: Simplify right side
    605,713.61x = 298,655,271,091.40
  5. Step 5: Solve for x
    x = 298,655,271,091.40/605,713.61
  6. Step 6: Final answer
    x = 493,063.50

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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.