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Finding the Fourth Proportional to 524,384.58, 786,011.75 and 253,940.16

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Solution

The fourth proportional to 524,384.58, 786,011.75 and 253,940.16 is: 380,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,384.58 : 786,011.75 = 253,940.16 : x
  2. Step 2: Convert to fraction form
    524,384.58/786,011.75 = 253,940.16/x
  3. Step 3: Cross multiply
    524,384.58x = 786,011.75 × 253,940.16
  4. Step 4: Simplify right side
    524,384.58x = 199,599,952,187.00
  5. Step 5: Solve for x
    x = 199,599,952,187.00/524,384.58
  6. Step 6: Final answer
    x = 380,636.58

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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.