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Finding the Fourth Proportional to 935,493.60, 1,400,907.60 and 748,869.60

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Solution

The fourth proportional to 935,493.60, 1,400,907.60 and 748,869.60 is: 1,121,436.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,493.60 : 1,400,907.60 = 748,869.60 : x
  2. Step 2: Convert to fraction form
    935,493.60/1,400,907.60 = 748,869.60/x
  3. Step 3: Cross multiply
    935,493.60x = 1,400,907.60 × 748,869.60
  4. Step 4: Simplify right side
    935,493.60x = 1,049,097,114,048.96
  5. Step 5: Solve for x
    x = 1,049,097,114,048.96/935,493.60
  6. Step 6: Final answer
    x = 1,121,436.98

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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.