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Finding the Fourth Proportional to 700,365.15, 1,048,992.53 and 607,053.15

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Solution

The fourth proportional to 700,365.15, 1,048,992.53 and 607,053.15 is: 909,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,365.15 : 1,048,992.53 = 607,053.15 : x
  2. Step 2: Convert to fraction form
    700,365.15/1,048,992.53 = 607,053.15/x
  3. Step 3: Cross multiply
    700,365.15x = 1,048,992.53 × 607,053.15
  4. Step 4: Simplify right side
    700,365.15x = 636,794,216,627.70
  5. Step 5: Solve for x
    x = 636,794,216,627.70/700,365.15
  6. Step 6: Final answer
    x = 909,231.73

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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.