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Finding the Fourth Proportional to 624,901.80, 934,983.45 and 414,949.80

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Solution

The fourth proportional to 624,901.80, 934,983.45 and 414,949.80 is: 620,851.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,901.80 : 934,983.45 = 414,949.80 : x
  2. Step 2: Convert to fraction form
    624,901.80/934,983.45 = 414,949.80/x
  3. Step 3: Cross multiply
    624,901.80x = 934,983.45 × 414,949.80
  4. Step 4: Simplify right side
    624,901.80x = 387,971,195,580.81
  5. Step 5: Solve for x
    x = 387,971,195,580.81/624,901.80
  6. Step 6: Final answer
    x = 620,851.46

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1.5x scale

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.