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Finding the Fourth Proportional to 564,742.60, 846,336.30 and 374,662.60

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Solution

The fourth proportional to 564,742.60, 846,336.30 and 374,662.60 is: 561,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,742.60 : 846,336.30 = 374,662.60 : x
  2. Step 2: Convert to fraction form
    564,742.60/846,336.30 = 374,662.60/x
  3. Step 3: Cross multiply
    564,742.60x = 846,336.30 × 374,662.60
  4. Step 4: Simplify right side
    564,742.60x = 317,090,558,632.38
  5. Step 5: Solve for x
    x = 317,090,558,632.38/564,742.60
  6. Step 6: Final answer
    x = 561,478.02

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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.