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Finding the Fourth Proportional to 6,321,746.74, 9,482,644.71 and 1,529,428.30

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Solution

The fourth proportional to 6,321,746.74, 9,482,644.71 and 1,529,428.30 is: 2,294,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,746.74 : 9,482,644.71 = 1,529,428.30 : x
  2. Step 2: Convert to fraction form
    6,321,746.74/9,482,644.71 = 1,529,428.30/x
  3. Step 3: Cross multiply
    6,321,746.74x = 9,482,644.71 × 1,529,428.30
  4. Step 4: Simplify right side
    6,321,746.74x = 14,503,025,178,319.29
  5. Step 5: Solve for x
    x = 14,503,025,178,319.29/6,321,746.74
  6. Step 6: Final answer
    x = 2,294,148.40

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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.