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Finding the Fourth Proportional to 293,316.86, 404,782.99 and 191,407.52

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Solution

The fourth proportional to 293,316.86, 404,782.99 and 191,407.52 is: 264,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,316.86 : 404,782.99 = 191,407.52 : x
  2. Step 2: Convert to fraction form
    293,316.86/404,782.99 = 191,407.52/x
  3. Step 3: Cross multiply
    293,316.86x = 404,782.99 × 191,407.52
  4. Step 4: Simplify right side
    293,316.86x = 77,478,508,254.08
  5. Step 5: Solve for x
    x = 77,478,508,254.08/293,316.86
  6. Step 6: Final answer
    x = 264,146.11

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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.