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Finding the Fourth Proportional to 606,155.69, 909,588 and 336,510.88

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Solution

The fourth proportional to 606,155.69, 909,588 and 336,510.88 is: 504,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,155.69 : 909,588 = 336,510.88 : x
  2. Step 2: Convert to fraction form
    606,155.69/909,588 = 336,510.88/x
  3. Step 3: Cross multiply
    606,155.69x = 909,588 × 336,510.88
  4. Step 4: Simplify right side
    606,155.69x = 306,086,258,317.44
  5. Step 5: Solve for x
    x = 306,086,258,317.44/606,155.69
  6. Step 6: Final answer
    x = 504,963.10

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1.5x scale

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.