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Finding the Fourth Proportional to 3,118,399, 4,677,598.70 and 754,495

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Solution

The fourth proportional to 3,118,399, 4,677,598.70 and 754,495 is: 1,131,742.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,399 : 4,677,598.70 = 754,495 : x
  2. Step 2: Convert to fraction form
    3,118,399/4,677,598.70 = 754,495/x
  3. Step 3: Cross multiply
    3,118,399x = 4,677,598.70 × 754,495
  4. Step 4: Simplify right side
    3,118,399x = 3,529,224,831,156.50
  5. Step 5: Solve for x
    x = 3,529,224,831,156.50/3,118,399
  6. Step 6: Final answer
    x = 1,131,742.55

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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.