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Finding the Fourth Proportional to 607,843.74, 910,950.62 and 473,070.55

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Solution

The fourth proportional to 607,843.74, 910,950.62 and 473,070.55 is: 708,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,843.74 : 910,950.62 = 473,070.55 : x
  2. Step 2: Convert to fraction form
    607,843.74/910,950.62 = 473,070.55/x
  3. Step 3: Cross multiply
    607,843.74x = 910,950.62 × 473,070.55
  4. Step 4: Simplify right side
    607,843.74x = 430,943,909,599.58
  5. Step 5: Solve for x
    x = 430,943,909,599.58/607,843.74
  6. Step 6: Final answer
    x = 708,971.54

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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.