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Finding the Fourth Proportional to 872,512.65, 1,308,798.14 and 241,373.61

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Solution

The fourth proportional to 872,512.65, 1,308,798.14 and 241,373.61 is: 362,068.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,512.65 : 1,308,798.14 = 241,373.61 : x
  2. Step 2: Convert to fraction form
    872,512.65/1,308,798.14 = 241,373.61/x
  3. Step 3: Cross multiply
    872,512.65x = 1,308,798.14 × 241,373.61
  4. Step 4: Simplify right side
    872,512.65x = 315,909,330,606.22
  5. Step 5: Solve for x
    x = 315,909,330,606.22/872,512.65
  6. Step 6: Final answer
    x = 362,068.48

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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.