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Finding the Fourth Proportional to 524,036.16, 786,220.40 and 187,069.60

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Solution

The fourth proportional to 524,036.16, 786,220.40 and 187,069.60 is: 280,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,036.16 : 786,220.40 = 187,069.60 : x
  2. Step 2: Convert to fraction form
    524,036.16/786,220.40 = 187,069.60/x
  3. Step 3: Cross multiply
    524,036.16x = 786,220.40 × 187,069.60
  4. Step 4: Simplify right side
    524,036.16x = 147,077,935,739.84
  5. Step 5: Solve for x
    x = 147,077,935,739.84/524,036.16
  6. Step 6: Final answer
    x = 280,663.72

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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.