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Finding the Fourth Proportional to 524,334.87, 786,519.72 and 145,259.43

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Solution

The fourth proportional to 524,334.87, 786,519.72 and 145,259.43 is: 217,893.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,334.87 : 786,519.72 = 145,259.43 : x
  2. Step 2: Convert to fraction form
    524,334.87/786,519.72 = 145,259.43/x
  3. Step 3: Cross multiply
    524,334.87x = 786,519.72 × 145,259.43
  4. Step 4: Simplify right side
    524,334.87x = 114,249,403,261.51
  5. Step 5: Solve for x
    x = 114,249,403,261.51/524,334.87
  6. Step 6: Final answer
    x = 217,893.96

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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.