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Finding the Fourth Proportional to 573,913.68, 791,529.24 and 509,430

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Solution

The fourth proportional to 573,913.68, 791,529.24 and 509,430 is: 702,594.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,913.68 : 791,529.24 = 509,430 : x
  2. Step 2: Convert to fraction form
    573,913.68/791,529.24 = 509,430/x
  3. Step 3: Cross multiply
    573,913.68x = 791,529.24 × 509,430
  4. Step 4: Simplify right side
    573,913.68x = 403,228,740,733.20
  5. Step 5: Solve for x
    x = 403,228,740,733.20/573,913.68
  6. Step 6: Final answer
    x = 702,594.75

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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.