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Finding the Fourth Proportional to 357,416.03, 536,345.63 and 207,726.82

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Solution

The fourth proportional to 357,416.03, 536,345.63 and 207,726.82 is: 311,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,416.03 : 536,345.63 = 207,726.82 : x
  2. Step 2: Convert to fraction form
    357,416.03/536,345.63 = 207,726.82/x
  3. Step 3: Cross multiply
    357,416.03x = 536,345.63 × 207,726.82
  4. Step 4: Simplify right side
    357,416.03x = 111,413,372,140.80
  5. Step 5: Solve for x
    x = 111,413,372,140.80/357,416.03
  6. Step 6: Final answer
    x = 311,719.01

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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.