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Finding the Fourth Proportional to 607,025.40, 910,538.10 and 407,441.40

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Solution

The fourth proportional to 607,025.40, 910,538.10 and 407,441.40 is: 611,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,025.40 : 910,538.10 = 407,441.40 : x
  2. Step 2: Convert to fraction form
    607,025.40/910,538.10 = 407,441.40/x
  3. Step 3: Cross multiply
    607,025.40x = 910,538.10 × 407,441.40
  4. Step 4: Simplify right side
    607,025.40x = 370,990,918,217.34
  5. Step 5: Solve for x
    x = 370,990,918,217.34/607,025.40
  6. Step 6: Final answer
    x = 611,162.10

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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.