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Finding the Fourth Proportional to 443,335.08, 611,801.44 and 242,131.08

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Solution

The fourth proportional to 443,335.08, 611,801.44 and 242,131.08 is: 334,140.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,335.08 : 611,801.44 = 242,131.08 : x
  2. Step 2: Convert to fraction form
    443,335.08/611,801.44 = 242,131.08/x
  3. Step 3: Cross multiply
    443,335.08x = 611,801.44 × 242,131.08
  4. Step 4: Simplify right side
    443,335.08x = 148,136,143,412.76
  5. Step 5: Solve for x
    x = 148,136,143,412.76/443,335.08
  6. Step 6: Final answer
    x = 334,140.36

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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.