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Finding the Fourth Proportional to 508,349.22, 700,946.67 and 324,341.56

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Solution

The fourth proportional to 508,349.22, 700,946.67 and 324,341.56 is: 447,224.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,349.22 : 700,946.67 = 324,341.56 : x
  2. Step 2: Convert to fraction form
    508,349.22/700,946.67 = 324,341.56/x
  3. Step 3: Cross multiply
    508,349.22x = 700,946.67 × 324,341.56
  4. Step 4: Simplify right side
    508,349.22x = 227,346,136,424.61
  5. Step 5: Solve for x
    x = 227,346,136,424.61/508,349.22
  6. Step 6: Final answer
    x = 447,224.32

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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.