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Finding the Fourth Proportional to 550,552.71, 759,324.47 and 454,893.33

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Solution

The fourth proportional to 550,552.71, 759,324.47 and 454,893.33 is: 627,390.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,552.71 : 759,324.47 = 454,893.33 : x
  2. Step 2: Convert to fraction form
    550,552.71/759,324.47 = 454,893.33/x
  3. Step 3: Cross multiply
    550,552.71x = 759,324.47 × 454,893.33
  4. Step 4: Simplify right side
    550,552.71x = 345,411,634,434.32
  5. Step 5: Solve for x
    x = 345,411,634,434.32/550,552.71
  6. Step 6: Final answer
    x = 627,390.67

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Double scale
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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.