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Finding the Fourth Proportional to 652,335.90, 978,503.85 and 605,096.70

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Solution

The fourth proportional to 652,335.90, 978,503.85 and 605,096.70 is: 907,645.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,335.90 : 978,503.85 = 605,096.70 : x
  2. Step 2: Convert to fraction form
    652,335.90/978,503.85 = 605,096.70/x
  3. Step 3: Cross multiply
    652,335.90x = 978,503.85 × 605,096.70
  4. Step 4: Simplify right side
    652,335.90x = 592,089,450,572.30
  5. Step 5: Solve for x
    x = 592,089,450,572.30/652,335.90
  6. Step 6: Final answer
    x = 907,645.05

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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.