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Finding the Fourth Proportional to 537,659.64, 740,368.68 and 525,725.58

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Solution

The fourth proportional to 537,659.64, 740,368.68 and 525,725.58 is: 723,935.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,659.64 : 740,368.68 = 525,725.58 : x
  2. Step 2: Convert to fraction form
    537,659.64/740,368.68 = 525,725.58/x
  3. Step 3: Cross multiply
    537,659.64x = 740,368.68 × 525,725.58
  4. Step 4: Simplify right side
    537,659.64x = 389,230,753,706.83
  5. Step 5: Solve for x
    x = 389,230,753,706.83/537,659.64
  6. Step 6: Final answer
    x = 723,935.23

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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.