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Finding the Fourth Proportional to 369,074.70, 553,612.05 and 322,418.70

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Solution

The fourth proportional to 369,074.70, 553,612.05 and 322,418.70 is: 483,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,074.70 : 553,612.05 = 322,418.70 : x
  2. Step 2: Convert to fraction form
    369,074.70/553,612.05 = 322,418.70/x
  3. Step 3: Cross multiply
    369,074.70x = 553,612.05 × 322,418.70
  4. Step 4: Simplify right side
    369,074.70x = 178,494,877,465.34
  5. Step 5: Solve for x
    x = 178,494,877,465.34/369,074.70
  6. Step 6: Final answer
    x = 483,628.05

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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.