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Finding the Fourth Proportional to 593,109.63, 818,549.84 and 338,498.91

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Solution

The fourth proportional to 593,109.63, 818,549.84 and 338,498.91 is: 467,161.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,109.63 : 818,549.84 = 338,498.91 : x
  2. Step 2: Convert to fraction form
    593,109.63/818,549.84 = 338,498.91/x
  3. Step 3: Cross multiply
    593,109.63x = 818,549.84 × 338,498.91
  4. Step 4: Simplify right side
    593,109.63x = 277,078,226,928.18
  5. Step 5: Solve for x
    x = 277,078,226,928.18/593,109.63
  6. Step 6: Final answer
    x = 467,161.91

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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.