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Finding the Fourth Proportional to 554,593.04, 765,338.40 and 299,944.16

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Solution

The fourth proportional to 554,593.04, 765,338.40 and 299,944.16 is: 413,922.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,593.04 : 765,338.40 = 299,944.16 : x
  2. Step 2: Convert to fraction form
    554,593.04/765,338.40 = 299,944.16/x
  3. Step 3: Cross multiply
    554,593.04x = 765,338.40 × 299,944.16
  4. Step 4: Simplify right side
    554,593.04x = 229,558,783,503.74
  5. Step 5: Solve for x
    x = 229,558,783,503.74/554,593.04
  6. Step 6: Final answer
    x = 413,922.94

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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.