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Finding the Fourth Proportional to 606,839.32, 837,485.76 and 334,961.20

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Solution

The fourth proportional to 606,839.32, 837,485.76 and 334,961.20 is: 462,272.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,839.32 : 837,485.76 = 334,961.20 : x
  2. Step 2: Convert to fraction form
    606,839.32/837,485.76 = 334,961.20/x
  3. Step 3: Cross multiply
    606,839.32x = 837,485.76 × 334,961.20
  4. Step 4: Simplify right side
    606,839.32x = 280,525,235,152.51
  5. Step 5: Solve for x
    x = 280,525,235,152.51/606,839.32
  6. Step 6: Final answer
    x = 462,272.67

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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.