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Finding the Fourth Proportional to 573.60, 848.40 and 573.60

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Solution

The fourth proportional to 573.60, 848.40 and 573.60 is: 848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.60 : 848.40 = 573.60 : x
  2. Step 2: Convert to fraction form
    573.60/848.40 = 573.60/x
  3. Step 3: Cross multiply
    573.60x = 848.40 × 573.60
  4. Step 4: Simplify right side
    573.60x = 486,642.24
  5. Step 5: Solve for x
    x = 486,642.24/573.60
  6. Step 6: Final answer
    x = 848.40

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.