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Finding the Fourth Proportional to 4,896,468.80, 7,328,114.40 and 4,896,468.80

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Solution

The fourth proportional to 4,896,468.80, 7,328,114.40 and 4,896,468.80 is: 7,328,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,896,468.80 : 7,328,114.40 = 4,896,468.80 : x
  2. Step 2: Convert to fraction form
    4,896,468.80/7,328,114.40 = 4,896,468.80/x
  3. Step 3: Cross multiply
    4,896,468.80x = 7,328,114.40 × 4,896,468.80
  4. Step 4: Simplify right side
    4,896,468.80x = 35,881,883,522,430.72
  5. Step 5: Solve for x
    x = 35,881,883,522,430.72/4,896,468.80
  6. Step 6: Final answer
    x = 7,328,114.40

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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.