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Finding the Fourth Proportional to 675,620.82, 931,950.54 and 446,180.22

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Solution

The fourth proportional to 675,620.82, 931,950.54 and 446,180.22 is: 615,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,620.82 : 931,950.54 = 446,180.22 : x
  2. Step 2: Convert to fraction form
    675,620.82/931,950.54 = 446,180.22/x
  3. Step 3: Cross multiply
    675,620.82x = 931,950.54 × 446,180.22
  4. Step 4: Simplify right side
    675,620.82x = 415,817,896,966.32
  5. Step 5: Solve for x
    x = 415,817,896,966.32/675,620.82
  6. Step 6: Final answer
    x = 615,460.45

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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.