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Finding the Fourth Proportional to 554,588.94, 765,332.74 and 299,940.13

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Solution

The fourth proportional to 554,588.94, 765,332.74 and 299,940.13 is: 413,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,588.94 : 765,332.74 = 299,940.13 : x
  2. Step 2: Convert to fraction form
    554,588.94/765,332.74 = 299,940.13/x
  3. Step 3: Cross multiply
    554,588.94x = 765,332.74 × 299,940.13
  4. Step 4: Simplify right side
    554,588.94x = 229,554,001,528.86
  5. Step 5: Solve for x
    x = 229,554,001,528.86/554,588.94
  6. Step 6: Final answer
    x = 413,917.38

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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.