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Finding the Fourth Proportional to 662,152.32, 993,228.80 and 163,516.80

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Solution

The fourth proportional to 662,152.32, 993,228.80 and 163,516.80 is: 245,275.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,152.32 : 993,228.80 = 163,516.80 : x
  2. Step 2: Convert to fraction form
    662,152.32/993,228.80 = 163,516.80/x
  3. Step 3: Cross multiply
    662,152.32x = 993,228.80 × 163,516.80
  4. Step 4: Simplify right side
    662,152.32x = 162,409,595,043.84
  5. Step 5: Solve for x
    x = 162,409,595,043.84/662,152.32
  6. Step 6: Final answer
    x = 245,275.28

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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.