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Finding the Fourth Proportional to 652,296.40, 978,444.60 and 494,832.40

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Solution

The fourth proportional to 652,296.40, 978,444.60 and 494,832.40 is: 742,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,296.40 : 978,444.60 = 494,832.40 : x
  2. Step 2: Convert to fraction form
    652,296.40/978,444.60 = 494,832.40/x
  3. Step 3: Cross multiply
    652,296.40x = 978,444.60 × 494,832.40
  4. Step 4: Simplify right side
    652,296.40x = 484,166,089,685.04
  5. Step 5: Solve for x
    x = 484,166,089,685.04/652,296.40
  6. Step 6: Final answer
    x = 742,248.60

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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.