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Finding the Fourth Proportional to 507,007.60, 760,511.40 and 133,068.40

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Solution

The fourth proportional to 507,007.60, 760,511.40 and 133,068.40 is: 199,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,007.60 : 760,511.40 = 133,068.40 : x
  2. Step 2: Convert to fraction form
    507,007.60/760,511.40 = 133,068.40/x
  3. Step 3: Cross multiply
    507,007.60x = 760,511.40 × 133,068.40
  4. Step 4: Simplify right side
    507,007.60x = 101,200,035,179.76
  5. Step 5: Solve for x
    x = 101,200,035,179.76/507,007.60
  6. Step 6: Final answer
    x = 199,602.60

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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.