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Finding the Fourth Proportional to 616,617.56, 924,477.78 and 416,441.72

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Solution

The fourth proportional to 616,617.56, 924,477.78 and 416,441.72 is: 624,359.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,617.56 : 924,477.78 = 416,441.72 : x
  2. Step 2: Convert to fraction form
    616,617.56/924,477.78 = 416,441.72/x
  3. Step 3: Cross multiply
    616,617.56x = 924,477.78 × 416,441.72
  4. Step 4: Simplify right side
    616,617.56x = 384,991,116,804.98
  5. Step 5: Solve for x
    x = 384,991,116,804.98/616,617.56
  6. Step 6: Final answer
    x = 624,359.64

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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.