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Finding the Fourth Proportional to 6,241,318.70, 9,361,978.05 and 5,296,534.70

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Solution

The fourth proportional to 6,241,318.70, 9,361,978.05 and 5,296,534.70 is: 7,944,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,241,318.70 : 9,361,978.05 = 5,296,534.70 : x
  2. Step 2: Convert to fraction form
    6,241,318.70/9,361,978.05 = 5,296,534.70/x
  3. Step 3: Cross multiply
    6,241,318.70x = 9,361,978.05 × 5,296,534.70
  4. Step 4: Simplify right side
    6,241,318.70x = 49,586,041,602,463.34
  5. Step 5: Solve for x
    x = 49,586,041,602,463.34/6,241,318.70
  6. Step 6: Final answer
    x = 7,944,802.05

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Similar ratio
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1.5x scale

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.