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Finding the Fourth Proportional to 976,404.80, 1,463,440.80 and 502,846.40

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Solution

The fourth proportional to 976,404.80, 1,463,440.80 and 502,846.40 is: 753,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,404.80 : 1,463,440.80 = 502,846.40 : x
  2. Step 2: Convert to fraction form
    976,404.80/1,463,440.80 = 502,846.40/x
  3. Step 3: Cross multiply
    976,404.80x = 1,463,440.80 × 502,846.40
  4. Step 4: Simplify right side
    976,404.80x = 735,885,937,893.12
  5. Step 5: Solve for x
    x = 735,885,937,893.12/976,404.80
  6. Step 6: Final answer
    x = 753,668.91

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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.