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Finding the Fourth Proportional to 517,305.03, 775,990.35 and 162,333.06

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Solution

The fourth proportional to 517,305.03, 775,990.35 and 162,333.06 is: 243,509.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,305.03 : 775,990.35 = 162,333.06 : x
  2. Step 2: Convert to fraction form
    517,305.03/775,990.35 = 162,333.06/x
  3. Step 3: Cross multiply
    517,305.03x = 775,990.35 × 162,333.06
  4. Step 4: Simplify right side
    517,305.03x = 125,968,889,957.52
  5. Step 5: Solve for x
    x = 125,968,889,957.52/517,305.03
  6. Step 6: Final answer
    x = 243,509.89

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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.