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Finding the Fourth Proportional to 624,221.60, 933,999.60 and 414,269.60

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Solution

The fourth proportional to 624,221.60, 933,999.60 and 414,269.60 is: 619,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,221.60 : 933,999.60 = 414,269.60 : x
  2. Step 2: Convert to fraction form
    624,221.60/933,999.60 = 414,269.60/x
  3. Step 3: Cross multiply
    624,221.60x = 933,999.60 × 414,269.60
  4. Step 4: Simplify right side
    624,221.60x = 386,927,640,692.16
  5. Step 5: Solve for x
    x = 386,927,640,692.16/624,221.60
  6. Step 6: Final answer
    x = 619,856.22

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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.