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Finding the Fourth Proportional to 264,707.70, 397,070.88 and 84,798.60

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Solution

The fourth proportional to 264,707.70, 397,070.88 and 84,798.60 is: 127,200.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,707.70 : 397,070.88 = 84,798.60 : x
  2. Step 2: Convert to fraction form
    264,707.70/397,070.88 = 84,798.60/x
  3. Step 3: Cross multiply
    264,707.70x = 397,070.88 × 84,798.60
  4. Step 4: Simplify right side
    264,707.70x = 33,671,054,724.77
  5. Step 5: Solve for x
    x = 33,671,054,724.77/264,707.70
  6. Step 6: Final answer
    x = 127,200.89

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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.