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Finding the Fourth Proportional to 603,936, 833,447.63 and 328,312.39

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Solution

The fourth proportional to 603,936, 833,447.63 and 328,312.39 is: 453,079.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,936 : 833,447.63 = 328,312.39 : x
  2. Step 2: Convert to fraction form
    603,936/833,447.63 = 328,312.39/x
  3. Step 3: Cross multiply
    603,936x = 833,447.63 × 328,312.39
  4. Step 4: Simplify right side
    603,936x = 273,631,181,798.26
  5. Step 5: Solve for x
    x = 273,631,181,798.26/603,936
  6. Step 6: Final answer
    x = 453,079.77

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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.