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Finding the Fourth Proportional to 607,086.60, 910,629.90 and 370,890.60

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Solution

The fourth proportional to 607,086.60, 910,629.90 and 370,890.60 is: 556,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,086.60 : 910,629.90 = 370,890.60 : x
  2. Step 2: Convert to fraction form
    607,086.60/910,629.90 = 370,890.60/x
  3. Step 3: Cross multiply
    607,086.60x = 910,629.90 × 370,890.60
  4. Step 4: Simplify right side
    607,086.60x = 337,744,069,988.94
  5. Step 5: Solve for x
    x = 337,744,069,988.94/607,086.60
  6. Step 6: Final answer
    x = 556,335.90

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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.