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Finding the Fourth Proportional to 476,165.87, 657,127.82 and 261,313.67

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Solution

The fourth proportional to 476,165.87, 657,127.82 and 261,313.67 is: 360,623.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,165.87 : 657,127.82 = 261,313.67 : x
  2. Step 2: Convert to fraction form
    476,165.87/657,127.82 = 261,313.67/x
  3. Step 3: Cross multiply
    476,165.87x = 657,127.82 × 261,313.67
  4. Step 4: Simplify right side
    476,165.87x = 171,716,482,303.30
  5. Step 5: Solve for x
    x = 171,716,482,303.30/476,165.87
  6. Step 6: Final answer
    x = 360,623.25

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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.