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Finding the Fourth Proportional to 570,564.80, 854,925.60 and 359,825.60

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Solution

The fourth proportional to 570,564.80, 854,925.60 and 359,825.60 is: 539,157.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,564.80 : 854,925.60 = 359,825.60 : x
  2. Step 2: Convert to fraction form
    570,564.80/854,925.60 = 359,825.60/x
  3. Step 3: Cross multiply
    570,564.80x = 854,925.60 × 359,825.60
  4. Step 4: Simplify right side
    570,564.80x = 307,624,116,975.36
  5. Step 5: Solve for x
    x = 307,624,116,975.36/570,564.80
  6. Step 6: Final answer
    x = 539,157.19

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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.