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Finding the Fourth Proportional to 314,897.57, 472,346.37 and 104,535.51

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Solution

The fourth proportional to 314,897.57, 472,346.37 and 104,535.51 is: 156,803.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,897.57 : 472,346.37 = 104,535.51 : x
  2. Step 2: Convert to fraction form
    314,897.57/472,346.37 = 104,535.51/x
  3. Step 3: Cross multiply
    314,897.57x = 472,346.37 × 104,535.51
  4. Step 4: Simplify right side
    314,897.57x = 49,376,968,684.60
  5. Step 5: Solve for x
    x = 49,376,968,684.60/314,897.57
  6. Step 6: Final answer
    x = 156,803.27

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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.