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Finding the Fourth Proportional to 468,014.72, 645,857.88 and 253,154.12

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Solution

The fourth proportional to 468,014.72, 645,857.88 and 253,154.12 is: 349,351.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,014.72 : 645,857.88 = 253,154.12 : x
  2. Step 2: Convert to fraction form
    468,014.72/645,857.88 = 253,154.12/x
  3. Step 3: Cross multiply
    468,014.72x = 645,857.88 × 253,154.12
  4. Step 4: Simplify right side
    468,014.72x = 163,501,583,256.47
  5. Step 5: Solve for x
    x = 163,501,583,256.47/468,014.72
  6. Step 6: Final answer
    x = 349,351.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.