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Finding the Fourth Proportional to 628,339.04, 942,596.10 and 201,887.72

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Solution

The fourth proportional to 628,339.04, 942,596.10 and 201,887.72 is: 302,859.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,339.04 : 942,596.10 = 201,887.72 : x
  2. Step 2: Convert to fraction form
    628,339.04/942,596.10 = 201,887.72/x
  3. Step 3: Cross multiply
    628,339.04x = 942,596.10 × 201,887.72
  4. Step 4: Simplify right side
    628,339.04x = 190,298,577,509.89
  5. Step 5: Solve for x
    x = 190,298,577,509.89/628,339.04
  6. Step 6: Final answer
    x = 302,859.71

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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.