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Finding the Fourth Proportional to 636,602.99, 954,701.93 and 210,059.30

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Solution

The fourth proportional to 636,602.99, 954,701.93 and 210,059.30 is: 315,022.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,602.99 : 954,701.93 = 210,059.30 : x
  2. Step 2: Convert to fraction form
    636,602.99/954,701.93 = 210,059.30/x
  3. Step 3: Cross multiply
    636,602.99x = 954,701.93 × 210,059.30
  4. Step 4: Simplify right side
    636,602.99x = 200,544,018,074.15
  5. Step 5: Solve for x
    x = 200,544,018,074.15/636,602.99
  6. Step 6: Final answer
    x = 315,022.11

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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.