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Finding the Fourth Proportional to 524,603.40, 785,090.70 and 314,392.20

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Solution

The fourth proportional to 524,603.40, 785,090.70 and 314,392.20 is: 470,500.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,603.40 : 785,090.70 = 314,392.20 : x
  2. Step 2: Convert to fraction form
    524,603.40/785,090.70 = 314,392.20/x
  3. Step 3: Cross multiply
    524,603.40x = 785,090.70 × 314,392.20
  4. Step 4: Simplify right side
    524,603.40x = 246,826,392,372.54
  5. Step 5: Solve for x
    x = 246,826,392,372.54/524,603.40
  6. Step 6: Final answer
    x = 470,500.94

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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.