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Finding the Fourth Proportional to 524,683.90, 786,118.65 and 243,624.70

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Solution

The fourth proportional to 524,683.90, 786,118.65 and 243,624.70 is: 365,015.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,683.90 : 786,118.65 = 243,624.70 : x
  2. Step 2: Convert to fraction form
    524,683.90/786,118.65 = 243,624.70/x
  3. Step 3: Cross multiply
    524,683.90x = 786,118.65 × 243,624.70
  4. Step 4: Simplify right side
    524,683.90x = 191,517,920,270.66
  5. Step 5: Solve for x
    x = 191,517,920,270.66/524,683.90
  6. Step 6: Final answer
    x = 365,015.81

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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.