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Finding the Fourth Proportional to 554,288.16, 765,125.64 and 363,313.85

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Solution

The fourth proportional to 554,288.16, 765,125.64 and 363,313.85 is: 501,509.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,288.16 : 765,125.64 = 363,313.85 : x
  2. Step 2: Convert to fraction form
    554,288.16/765,125.64 = 363,313.85/x
  3. Step 3: Cross multiply
    554,288.16x = 765,125.64 × 363,313.85
  4. Step 4: Simplify right side
    554,288.16x = 277,980,738,176.49
  5. Step 5: Solve for x
    x = 277,980,738,176.49/554,288.16
  6. Step 6: Final answer
    x = 501,509.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.