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Finding the Fourth Proportional to 572,302.48, 857,870.52 and 256,674.64

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Solution

The fourth proportional to 572,302.48, 857,870.52 and 256,674.64 is: 384,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,302.48 : 857,870.52 = 256,674.64 : x
  2. Step 2: Convert to fraction form
    572,302.48/857,870.52 = 256,674.64/x
  3. Step 3: Cross multiply
    572,302.48x = 857,870.52 × 256,674.64
  4. Step 4: Simplify right side
    572,302.48x = 220,193,606,887.61
  5. Step 5: Solve for x
    x = 220,193,606,887.61/572,302.48
  6. Step 6: Final answer
    x = 384,750.40

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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.