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Finding the Fourth Proportional to 423,753.84, 584,536.03 and 253,889.55

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Solution

The fourth proportional to 423,753.84, 584,536.03 and 253,889.55 is: 350,221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,753.84 : 584,536.03 = 253,889.55 : x
  2. Step 2: Convert to fraction form
    423,753.84/584,536.03 = 253,889.55/x
  3. Step 3: Cross multiply
    423,753.84x = 584,536.03 × 253,889.55
  4. Step 4: Simplify right side
    423,753.84x = 148,407,588,980.76
  5. Step 5: Solve for x
    x = 148,407,588,980.76/423,753.84
  6. Step 6: Final answer
    x = 350,221.23

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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.