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Finding the Fourth Proportional to 293,317.10, 404,783.35 and 191,407.76

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Solution

The fourth proportional to 293,317.10, 404,783.35 and 191,407.76 is: 264,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,317.10 : 404,783.35 = 191,407.76 : x
  2. Step 2: Convert to fraction form
    293,317.10/404,783.35 = 191,407.76/x
  3. Step 3: Cross multiply
    293,317.10x = 404,783.35 × 191,407.76
  4. Step 4: Simplify right side
    293,317.10x = 77,478,674,842.24
  5. Step 5: Solve for x
    x = 77,478,674,842.24/293,317.10
  6. Step 6: Final answer
    x = 264,146.46

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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.