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Finding the Fourth Proportional to 622,317.15, 933,001.88 and 285,453.54

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Solution

The fourth proportional to 622,317.15, 933,001.88 and 285,453.54 is: 427,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,317.15 : 933,001.88 = 285,453.54 : x
  2. Step 2: Convert to fraction form
    622,317.15/933,001.88 = 285,453.54/x
  3. Step 3: Cross multiply
    622,317.15x = 933,001.88 × 285,453.54
  4. Step 4: Simplify right side
    622,317.15x = 266,328,688,045.39
  5. Step 5: Solve for x
    x = 266,328,688,045.39/622,317.15
  6. Step 6: Final answer
    x = 427,962.96

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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.