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Finding the Fourth Proportional to 554,581.96, 765,323.62 and 299,933.16

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Solution

The fourth proportional to 554,581.96, 765,323.62 and 299,933.16 is: 413,908.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,581.96 : 765,323.62 = 299,933.16 : x
  2. Step 2: Convert to fraction form
    554,581.96/765,323.62 = 299,933.16/x
  3. Step 3: Cross multiply
    554,581.96x = 765,323.62 × 299,933.16
  4. Step 4: Simplify right side
    554,581.96x = 229,545,931,769.24
  5. Step 5: Solve for x
    x = 229,545,931,769.24/554,581.96
  6. Step 6: Final answer
    x = 413,908.04

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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.