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Finding the Fourth Proportional to 722,804.34, 997,453.44 and 416,881.32

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Solution

The fourth proportional to 722,804.34, 997,453.44 and 416,881.32 is: 575,286.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,804.34 : 997,453.44 = 416,881.32 : x
  2. Step 2: Convert to fraction form
    722,804.34/997,453.44 = 416,881.32/x
  3. Step 3: Cross multiply
    722,804.34x = 997,453.44 × 416,881.32
  4. Step 4: Simplify right side
    722,804.34x = 415,819,706,705.74
  5. Step 5: Solve for x
    x = 415,819,706,705.74/722,804.34
  6. Step 6: Final answer
    x = 575,286.68

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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.