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Finding the Fourth Proportional to 314,620.08, 433,751.16 and 304,835.76

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Solution

The fourth proportional to 314,620.08, 433,751.16 and 304,835.76 is: 420,262.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,620.08 : 433,751.16 = 304,835.76 : x
  2. Step 2: Convert to fraction form
    314,620.08/433,751.16 = 304,835.76/x
  3. Step 3: Cross multiply
    314,620.08x = 433,751.16 × 304,835.76
  4. Step 4: Simplify right side
    314,620.08x = 132,222,864,509.48
  5. Step 5: Solve for x
    x = 132,222,864,509.48/314,620.08
  6. Step 6: Final answer
    x = 420,262.00

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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.