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Finding the Fourth Proportional to 605,792.20, 908,688.30 and 464,074.60

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Solution

The fourth proportional to 605,792.20, 908,688.30 and 464,074.60 is: 696,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,792.20 : 908,688.30 = 464,074.60 : x
  2. Step 2: Convert to fraction form
    605,792.20/908,688.30 = 464,074.60/x
  3. Step 3: Cross multiply
    605,792.20x = 908,688.30 × 464,074.60
  4. Step 4: Simplify right side
    605,792.20x = 421,699,159,347.18
  5. Step 5: Solve for x
    x = 421,699,159,347.18/605,792.20
  6. Step 6: Final answer
    x = 696,111.90

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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.