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Finding the Fourth Proportional to 603,030.12, 832,571 and 373,832.35

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Solution

The fourth proportional to 603,030.12, 832,571 and 373,832.35 is: 516,130.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,030.12 : 832,571 = 373,832.35 : x
  2. Step 2: Convert to fraction form
    603,030.12/832,571 = 373,832.35/x
  3. Step 3: Cross multiply
    603,030.12x = 832,571 × 373,832.35
  4. Step 4: Simplify right side
    603,030.12x = 311,241,973,471.85
  5. Step 5: Solve for x
    x = 311,241,973,471.85/603,030.12
  6. Step 6: Final answer
    x = 516,130.06

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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.