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Finding the Fourth Proportional to 964,654.80, 1,446,165.72 and 365,285.58

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Solution

The fourth proportional to 964,654.80, 1,446,165.72 and 365,285.58 is: 547,619.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,654.80 : 1,446,165.72 = 365,285.58 : x
  2. Step 2: Convert to fraction form
    964,654.80/1,446,165.72 = 365,285.58/x
  3. Step 3: Cross multiply
    964,654.80x = 1,446,165.72 × 365,285.58
  4. Step 4: Simplify right side
    964,654.80x = 528,263,483,806.32
  5. Step 5: Solve for x
    x = 528,263,483,806.32/964,654.80
  6. Step 6: Final answer
    x = 547,619.19

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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.