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Finding the Fourth Proportional to 607,954.51, 911,645.16 and 355,307.68

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Solution

The fourth proportional to 607,954.51, 911,645.16 and 355,307.68 is: 532,794.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,954.51 : 911,645.16 = 355,307.68 : x
  2. Step 2: Convert to fraction form
    607,954.51/911,645.16 = 355,307.68/x
  3. Step 3: Cross multiply
    607,954.51x = 911,645.16 × 355,307.68
  4. Step 4: Simplify right side
    607,954.51x = 323,914,526,782.83
  5. Step 5: Solve for x
    x = 323,914,526,782.83/607,954.51
  6. Step 6: Final answer
    x = 532,794.02

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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.