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Finding the Fourth Proportional to 679,967.10, 1,019,950.65 and 606,483.90

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Solution

The fourth proportional to 679,967.10, 1,019,950.65 and 606,483.90 is: 909,725.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,967.10 : 1,019,950.65 = 606,483.90 : x
  2. Step 2: Convert to fraction form
    679,967.10/1,019,950.65 = 606,483.90/x
  3. Step 3: Cross multiply
    679,967.10x = 1,019,950.65 × 606,483.90
  4. Step 4: Simplify right side
    679,967.10x = 618,583,648,019.54
  5. Step 5: Solve for x
    x = 618,583,648,019.54/679,967.10
  6. Step 6: Final answer
    x = 909,725.85

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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.