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Finding the Fourth Proportional to 964,808.80, 1,446,176.40 and 365,538.40

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Solution

The fourth proportional to 964,808.80, 1,446,176.40 and 365,538.40 is: 547,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,808.80 : 1,446,176.40 = 365,538.40 : x
  2. Step 2: Convert to fraction form
    964,808.80/1,446,176.40 = 365,538.40/x
  3. Step 3: Cross multiply
    964,808.80x = 1,446,176.40 × 365,538.40
  4. Step 4: Simplify right side
    964,808.80x = 528,633,007,373.76
  5. Step 5: Solve for x
    x = 528,633,007,373.76/964,808.80
  6. Step 6: Final answer
    x = 547,914.79

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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.