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Finding the Fourth Proportional to 524,185.81, 786,191.11 and 145,144.84

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Solution

The fourth proportional to 524,185.81, 786,191.11 and 145,144.84 is: 217,693.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,185.81 : 786,191.11 = 145,144.84 : x
  2. Step 2: Convert to fraction form
    524,185.81/786,191.11 = 145,144.84/x
  3. Step 3: Cross multiply
    524,185.81x = 786,191.11 × 145,144.84
  4. Step 4: Simplify right side
    524,185.81x = 114,111,582,870.37
  5. Step 5: Solve for x
    x = 114,111,582,870.37/524,185.81
  6. Step 6: Final answer
    x = 217,693.00

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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.