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Finding the Fourth Proportional to 593,335, 818,806.26 and 321,402.91

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Solution

The fourth proportional to 593,335, 818,806.26 and 321,402.91 is: 443,538.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,335 : 818,806.26 = 321,402.91 : x
  2. Step 2: Convert to fraction form
    593,335/818,806.26 = 321,402.91/x
  3. Step 3: Cross multiply
    593,335x = 818,806.26 × 321,402.91
  4. Step 4: Simplify right side
    593,335x = 263,166,714,690.22
  5. Step 5: Solve for x
    x = 263,166,714,690.22/593,335
  6. Step 6: Final answer
    x = 443,538.16

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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.