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Finding the Fourth Proportional to 605,084.99, 835,275.69 and 430,767.72

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Solution

The fourth proportional to 605,084.99, 835,275.69 and 430,767.72 is: 594,643.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,084.99 : 835,275.69 = 430,767.72 : x
  2. Step 2: Convert to fraction form
    605,084.99/835,275.69 = 430,767.72/x
  3. Step 3: Cross multiply
    605,084.99x = 835,275.69 × 430,767.72
  4. Step 4: Simplify right side
    605,084.99x = 359,809,804,552.73
  5. Step 5: Solve for x
    x = 359,809,804,552.73/605,084.99
  6. Step 6: Final answer
    x = 594,643.42

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1.5x scale

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.