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Finding the Fourth Proportional to 605,465.74, 835,499.54 and 360,437.50

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Solution

The fourth proportional to 605,465.74, 835,499.54 and 360,437.50 is: 497,378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,465.74 : 835,499.54 = 360,437.50 : x
  2. Step 2: Convert to fraction form
    605,465.74/835,499.54 = 360,437.50/x
  3. Step 3: Cross multiply
    605,465.74x = 835,499.54 × 360,437.50
  4. Step 4: Simplify right side
    605,465.74x = 301,145,365,448.75
  5. Step 5: Solve for x
    x = 301,145,365,448.75/605,465.74
  6. Step 6: Final answer
    x = 497,378.04

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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.