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Finding the Fourth Proportional to 583,798.79, 874,120.71 and 302,725.55

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Solution

The fourth proportional to 583,798.79, 874,120.71 and 302,725.55 is: 453,270.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,798.79 : 874,120.71 = 302,725.55 : x
  2. Step 2: Convert to fraction form
    583,798.79/874,120.71 = 302,725.55/x
  3. Step 3: Cross multiply
    583,798.79x = 874,120.71 × 302,725.55
  4. Step 4: Simplify right side
    583,798.79x = 264,618,676,021.66
  5. Step 5: Solve for x
    x = 264,618,676,021.66/583,798.79
  6. Step 6: Final answer
    x = 453,270.34

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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.