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Finding the Fourth Proportional to 5,208,602.40, 7,801,844.40 and 4,323,866.40

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Solution

The fourth proportional to 5,208,602.40, 7,801,844.40 and 4,323,866.40 is: 6,476,618.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208,602.40 : 7,801,844.40 = 4,323,866.40 : x
  2. Step 2: Convert to fraction form
    5,208,602.40/7,801,844.40 = 4,323,866.40/x
  3. Step 3: Cross multiply
    5,208,602.40x = 7,801,844.40 × 4,323,866.40
  4. Step 4: Simplify right side
    5,208,602.40x = 33,734,132,859,188.16
  5. Step 5: Solve for x
    x = 33,734,132,859,188.16/5,208,602.40
  6. Step 6: Final answer
    x = 6,476,618.92

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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.