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Finding the Fourth Proportional to 652,333.90, 978,500.85 and 605,094.70

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Solution

The fourth proportional to 652,333.90, 978,500.85 and 605,094.70 is: 907,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,333.90 : 978,500.85 = 605,094.70 : x
  2. Step 2: Convert to fraction form
    652,333.90/978,500.85 = 605,094.70/x
  3. Step 3: Cross multiply
    652,333.90x = 978,500.85 × 605,094.70
  4. Step 4: Simplify right side
    652,333.90x = 592,085,678,280.50
  5. Step 5: Solve for x
    x = 592,085,678,280.50/652,333.90
  6. Step 6: Final answer
    x = 907,642.05

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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.