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Finding the Fourth Proportional to 591,018.50, 886,439.59 and 164,509.76

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Solution

The fourth proportional to 591,018.50, 886,439.59 and 164,509.76 is: 246,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,018.50 : 886,439.59 = 164,509.76 : x
  2. Step 2: Convert to fraction form
    591,018.50/886,439.59 = 164,509.76/x
  3. Step 3: Cross multiply
    591,018.50x = 886,439.59 × 164,509.76
  4. Step 4: Simplify right side
    591,018.50x = 145,827,966,010.22
  5. Step 5: Solve for x
    x = 145,827,966,010.22/591,018.50
  6. Step 6: Final answer
    x = 246,740.10

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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.