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Finding the Fourth Proportional to 3,153,807.90, 4,426,528.50 and 3,153,807.90

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Solution

The fourth proportional to 3,153,807.90, 4,426,528.50 and 3,153,807.90 is: 4,426,528.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153,807.90 : 4,426,528.50 = 3,153,807.90 : x
  2. Step 2: Convert to fraction form
    3,153,807.90/4,426,528.50 = 3,153,807.90/x
  3. Step 3: Cross multiply
    3,153,807.90x = 4,426,528.50 × 3,153,807.90
  4. Step 4: Simplify right side
    3,153,807.90x = 13,960,420,552,875.15
  5. Step 5: Solve for x
    x = 13,960,420,552,875.15/3,153,807.90
  6. Step 6: Final answer
    x = 4,426,528.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.