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Finding the Fourth Proportional to 572,900.40, 859,701.60 and 236,102.40

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Solution

The fourth proportional to 572,900.40, 859,701.60 and 236,102.40 is: 354,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,900.40 : 859,701.60 = 236,102.40 : x
  2. Step 2: Convert to fraction form
    572,900.40/859,701.60 = 236,102.40/x
  3. Step 3: Cross multiply
    572,900.40x = 859,701.60 × 236,102.40
  4. Step 4: Simplify right side
    572,900.40x = 202,977,611,043.84
  5. Step 5: Solve for x
    x = 202,977,611,043.84/572,900.40
  6. Step 6: Final answer
    x = 354,298.25

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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.