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Finding the Fourth Proportional to 572,303.48, 857,872.02 and 256,675.64

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Solution

The fourth proportional to 572,303.48, 857,872.02 and 256,675.64 is: 384,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,303.48 : 857,872.02 = 256,675.64 : x
  2. Step 2: Convert to fraction form
    572,303.48/857,872.02 = 256,675.64/x
  3. Step 3: Cross multiply
    572,303.48x = 857,872.02 × 256,675.64
  4. Step 4: Simplify right side
    572,303.48x = 220,194,849,771.59
  5. Step 5: Solve for x
    x = 220,194,849,771.59/572,303.48
  6. Step 6: Final answer
    x = 384,751.90

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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.