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Finding the Fourth Proportional to 433,325.46, 597,598.65 and 290,278.65

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Solution

The fourth proportional to 433,325.46, 597,598.65 and 290,278.65 is: 400,322.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,325.46 : 597,598.65 = 290,278.65 : x
  2. Step 2: Convert to fraction form
    433,325.46/597,598.65 = 290,278.65/x
  3. Step 3: Cross multiply
    433,325.46x = 597,598.65 × 290,278.65
  4. Step 4: Simplify right side
    433,325.46x = 173,470,129,363.82
  5. Step 5: Solve for x
    x = 173,470,129,363.82/433,325.46
  6. Step 6: Final answer
    x = 400,322.96

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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.