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Finding the Fourth Proportional to 607,904.90, 911,857.35 and 164,672.90

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Solution

The fourth proportional to 607,904.90, 911,857.35 and 164,672.90 is: 247,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,904.90 : 911,857.35 = 164,672.90 : x
  2. Step 2: Convert to fraction form
    607,904.90/911,857.35 = 164,672.90/x
  3. Step 3: Cross multiply
    607,904.90x = 911,857.35 × 164,672.90
  4. Step 4: Simplify right side
    607,904.90x = 150,158,194,210.82
  5. Step 5: Solve for x
    x = 150,158,194,210.82/607,904.90
  6. Step 6: Final answer
    x = 247,009.35

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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.