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Finding the Fourth Proportional to 517,590.11, 776,463.53 and 162,570.76

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Solution

The fourth proportional to 517,590.11, 776,463.53 and 162,570.76 is: 243,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,590.11 : 776,463.53 = 162,570.76 : x
  2. Step 2: Convert to fraction form
    517,590.11/776,463.53 = 162,570.76/x
  3. Step 3: Cross multiply
    517,590.11x = 776,463.53 × 162,570.76
  4. Step 4: Simplify right side
    517,590.11x = 126,230,266,184.38
  5. Step 5: Solve for x
    x = 126,230,266,184.38/517,590.11
  6. Step 6: Final answer
    x = 243,880.75

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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.