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Finding the Fourth Proportional to 603,677.72, 832,580.86 and 374,075.52

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Solution

The fourth proportional to 603,677.72, 832,580.86 and 374,075.52 is: 515,917.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,677.72 : 832,580.86 = 374,075.52 : x
  2. Step 2: Convert to fraction form
    603,677.72/832,580.86 = 374,075.52/x
  3. Step 3: Cross multiply
    603,677.72x = 832,580.86 × 374,075.52
  4. Step 4: Simplify right side
    603,677.72x = 311,448,118,146.55
  5. Step 5: Solve for x
    x = 311,448,118,146.55/603,677.72
  6. Step 6: Final answer
    x = 515,917.86

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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.