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Finding the Fourth Proportional to 328,397.08, 453,131.22 and 190,526.08

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Solution

The fourth proportional to 328,397.08, 453,131.22 and 190,526.08 is: 262,893.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,397.08 : 453,131.22 = 190,526.08 : x
  2. Step 2: Convert to fraction form
    328,397.08/453,131.22 = 190,526.08/x
  3. Step 3: Cross multiply
    328,397.08x = 453,131.22 × 190,526.08
  4. Step 4: Simplify right side
    328,397.08x = 86,333,315,072.22
  5. Step 5: Solve for x
    x = 86,333,315,072.22/328,397.08
  6. Step 6: Final answer
    x = 262,893.07

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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.