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Finding the Fourth Proportional to 562,037.09, 775,617.31 and 307,382.81

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Solution

The fourth proportional to 562,037.09, 775,617.31 and 307,382.81 is: 424,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,037.09 : 775,617.31 = 307,382.81 : x
  2. Step 2: Convert to fraction form
    562,037.09/775,617.31 = 307,382.81/x
  3. Step 3: Cross multiply
    562,037.09x = 775,617.31 × 307,382.81
  4. Step 4: Simplify right side
    562,037.09x = 238,411,428,232.44
  5. Step 5: Solve for x
    x = 238,411,428,232.44/562,037.09
  6. Step 6: Final answer
    x = 424,191.63

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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.