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Finding the Fourth Proportional to 662,670.10, 994,005.15 and 576,064.90

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Solution

The fourth proportional to 662,670.10, 994,005.15 and 576,064.90 is: 864,097.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,670.10 : 994,005.15 = 576,064.90 : x
  2. Step 2: Convert to fraction form
    662,670.10/994,005.15 = 576,064.90/x
  3. Step 3: Cross multiply
    662,670.10x = 994,005.15 × 576,064.90
  4. Step 4: Simplify right side
    662,670.10x = 572,611,477,334.24
  5. Step 5: Solve for x
    x = 572,611,477,334.24/662,670.10
  6. Step 6: Final answer
    x = 864,097.35

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Double scale
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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.