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Finding the Fourth Proportional to 675,569.76, 932,441.94 and 446,172.36

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Solution

The fourth proportional to 675,569.76, 932,441.94 and 446,172.36 is: 615,820.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,569.76 : 932,441.94 = 446,172.36 : x
  2. Step 2: Convert to fraction form
    675,569.76/932,441.94 = 446,172.36/x
  3. Step 3: Cross multiply
    675,569.76x = 932,441.94 × 446,172.36
  4. Step 4: Simplify right side
    675,569.76x = 416,029,820,932.78
  5. Step 5: Solve for x
    x = 416,029,820,932.78/675,569.76
  6. Step 6: Final answer
    x = 615,820.67

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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.