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Finding the Fourth Proportional to 651,357.60, 977,175.72 and 202,068.72

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Solution

The fourth proportional to 651,357.60, 977,175.72 and 202,068.72 is: 303,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,357.60 : 977,175.72 = 202,068.72 : x
  2. Step 2: Convert to fraction form
    651,357.60/977,175.72 = 202,068.72/x
  3. Step 3: Cross multiply
    651,357.60x = 977,175.72 × 202,068.72
  4. Step 4: Simplify right side
    651,357.60x = 197,456,646,955.48
  5. Step 5: Solve for x
    x = 197,456,646,955.48/651,357.60
  6. Step 6: Final answer
    x = 303,146.30

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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.