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Finding the Fourth Proportional to 603,044.14, 832,142 and 348,389.86

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Solution

The fourth proportional to 603,044.14, 832,142 and 348,389.86 is: 480,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,044.14 : 832,142 = 348,389.86 : x
  2. Step 2: Convert to fraction form
    603,044.14/832,142 = 348,389.86/x
  3. Step 3: Cross multiply
    603,044.14x = 832,142 × 348,389.86
  4. Step 4: Simplify right side
    603,044.14x = 289,909,834,880.12
  5. Step 5: Solve for x
    x = 289,909,834,880.12/603,044.14
  6. Step 6: Final answer
    x = 480,743.97

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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.