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Finding the Fourth Proportional to 5,554,602.40, 8,332,364.40 and 1,767,978.40

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Solution

The fourth proportional to 5,554,602.40, 8,332,364.40 and 1,767,978.40 is: 2,652,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554,602.40 : 8,332,364.40 = 1,767,978.40 : x
  2. Step 2: Convert to fraction form
    5,554,602.40/8,332,364.40 = 1,767,978.40/x
  3. Step 3: Cross multiply
    5,554,602.40x = 8,332,364.40 × 1,767,978.40
  4. Step 4: Simplify right side
    5,554,602.40x = 14,731,440,280,128.96
  5. Step 5: Solve for x
    x = 14,731,440,280,128.96/5,554,602.40
  6. Step 6: Final answer
    x = 2,652,114.27

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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.