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Finding the Fourth Proportional to 738,843.84, 1,106,661.92 and 453,668.76

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Solution

The fourth proportional to 738,843.84, 1,106,661.92 and 453,668.76 is: 679,518.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,843.84 : 1,106,661.92 = 453,668.76 : x
  2. Step 2: Convert to fraction form
    738,843.84/1,106,661.92 = 453,668.76/x
  3. Step 3: Cross multiply
    738,843.84x = 1,106,661.92 × 453,668.76
  4. Step 4: Simplify right side
    738,843.84x = 502,057,938,717.28
  5. Step 5: Solve for x
    x = 502,057,938,717.28/738,843.84
  6. Step 6: Final answer
    x = 679,518.34

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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.