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Finding the Fourth Proportional to 702,973.14, 970,103.86 and 380,683.74

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Solution

The fourth proportional to 702,973.14, 970,103.86 and 380,683.74 is: 525,344.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,973.14 : 970,103.86 = 380,683.74 : x
  2. Step 2: Convert to fraction form
    702,973.14/970,103.86 = 380,683.74/x
  3. Step 3: Cross multiply
    702,973.14x = 970,103.86 × 380,683.74
  4. Step 4: Simplify right side
    702,973.14x = 369,302,765,613.24
  5. Step 5: Solve for x
    x = 369,302,765,613.24/702,973.14
  6. Step 6: Final answer
    x = 525,344.06

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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.