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Finding the Fourth Proportional to 524,682.90, 786,117.15 and 243,623.70

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Solution

The fourth proportional to 524,682.90, 786,117.15 and 243,623.70 is: 365,014.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,682.90 : 786,117.15 = 243,623.70 : x
  2. Step 2: Convert to fraction form
    524,682.90/786,117.15 = 243,623.70/x
  3. Step 3: Cross multiply
    524,682.90x = 786,117.15 × 243,623.70
  4. Step 4: Simplify right side
    524,682.90x = 191,516,768,716.46
  5. Step 5: Solve for x
    x = 191,516,768,716.46/524,682.90
  6. Step 6: Final answer
    x = 365,014.31

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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.