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Finding the Fourth Proportional to 662,807.60, 994,211.40 and 606,820.40

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Solution

The fourth proportional to 662,807.60, 994,211.40 and 606,820.40 is: 910,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,807.60 : 994,211.40 = 606,820.40 : x
  2. Step 2: Convert to fraction form
    662,807.60/994,211.40 = 606,820.40/x
  3. Step 3: Cross multiply
    662,807.60x = 994,211.40 × 606,820.40
  4. Step 4: Simplify right side
    662,807.60x = 603,307,759,432.56
  5. Step 5: Solve for x
    x = 603,307,759,432.56/662,807.60
  6. Step 6: Final answer
    x = 910,230.60

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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.