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Finding the Fourth Proportional to 724,381.66, 999,650.55 and 452,607.15

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Solution

The fourth proportional to 724,381.66, 999,650.55 and 452,607.15 is: 624,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,381.66 : 999,650.55 = 452,607.15 : x
  2. Step 2: Convert to fraction form
    724,381.66/999,650.55 = 452,607.15/x
  3. Step 3: Cross multiply
    724,381.66x = 999,650.55 × 452,607.15
  4. Step 4: Simplify right side
    724,381.66x = 452,448,991,877.40
  5. Step 5: Solve for x
    x = 452,448,991,877.40/724,381.66
  6. Step 6: Final answer
    x = 624,600.28

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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.