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Finding the Fourth Proportional to 328,404.16, 491,646.66 and 296,887.06

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Solution

The fourth proportional to 328,404.16, 491,646.66 and 296,887.06 is: 444,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,404.16 : 491,646.66 = 296,887.06 : x
  2. Step 2: Convert to fraction form
    328,404.16/491,646.66 = 296,887.06/x
  3. Step 3: Cross multiply
    328,404.16x = 491,646.66 × 296,887.06
  4. Step 4: Simplify right side
    328,404.16x = 145,963,531,446.22
  5. Step 5: Solve for x
    x = 145,963,531,446.22/328,404.16
  6. Step 6: Final answer
    x = 444,463.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.