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Finding the Fourth Proportional to 576,066.90, 864,100.35 and 492,086.10

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Solution

The fourth proportional to 576,066.90, 864,100.35 and 492,086.10 is: 738,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,066.90 : 864,100.35 = 492,086.10 : x
  2. Step 2: Convert to fraction form
    576,066.90/864,100.35 = 492,086.10/x
  3. Step 3: Cross multiply
    576,066.90x = 864,100.35 × 492,086.10
  4. Step 4: Simplify right side
    576,066.90x = 425,211,771,240.14
  5. Step 5: Solve for x
    x = 425,211,771,240.14/576,066.90
  6. Step 6: Final answer
    x = 738,129.15

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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.