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Finding the Fourth Proportional to 702,937.13, 970,057.85 and 380,647.24

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Solution

The fourth proportional to 702,937.13, 970,057.85 and 380,647.24 is: 525,295.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,937.13 : 970,057.85 = 380,647.24 : x
  2. Step 2: Convert to fraction form
    702,937.13/970,057.85 = 380,647.24/x
  3. Step 3: Cross multiply
    702,937.13x = 970,057.85 × 380,647.24
  4. Step 4: Simplify right side
    702,937.13x = 369,249,843,242.83
  5. Step 5: Solve for x
    x = 369,249,843,242.83/702,937.13
  6. Step 6: Final answer
    x = 525,295.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.