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Finding the Fourth Proportional to 601,161.03, 830,164.23 and 386,673.45

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Solution

The fourth proportional to 601,161.03, 830,164.23 and 386,673.45 is: 533,970.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,161.03 : 830,164.23 = 386,673.45 : x
  2. Step 2: Convert to fraction form
    601,161.03/830,164.23 = 386,673.45/x
  3. Step 3: Cross multiply
    601,161.03x = 830,164.23 × 386,673.45
  4. Step 4: Simplify right side
    601,161.03x = 321,002,466,880.69
  5. Step 5: Solve for x
    x = 321,002,466,880.69/601,161.03
  6. Step 6: Final answer
    x = 533,970.85

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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.