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Finding the Fourth Proportional to 404,443.70, 606,665.55 and 374,030.90

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Solution

The fourth proportional to 404,443.70, 606,665.55 and 374,030.90 is: 561,046.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,443.70 : 606,665.55 = 374,030.90 : x
  2. Step 2: Convert to fraction form
    404,443.70/606,665.55 = 374,030.90/x
  3. Step 3: Cross multiply
    404,443.70x = 606,665.55 × 374,030.90
  4. Step 4: Simplify right side
    404,443.70x = 226,911,661,665.50
  5. Step 5: Solve for x
    x = 226,911,661,665.50/404,443.70
  6. Step 6: Final answer
    x = 561,046.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.