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Finding the Fourth Proportional to 607,285.40, 910,318.48 and 207,652.88

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Solution

The fourth proportional to 607,285.40, 910,318.48 and 207,652.88 is: 311,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,285.40 : 910,318.48 = 207,652.88 : x
  2. Step 2: Convert to fraction form
    607,285.40/910,318.48 = 207,652.88/x
  3. Step 3: Cross multiply
    607,285.40x = 910,318.48 × 207,652.88
  4. Step 4: Simplify right side
    607,285.40x = 189,030,254,089.22
  5. Step 5: Solve for x
    x = 189,030,254,089.22/607,285.40
  6. Step 6: Final answer
    x = 311,270.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.