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Finding the Fourth Proportional to 589,326.70, 884,054.85 and 215,430.70

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Solution

The fourth proportional to 589,326.70, 884,054.85 and 215,430.70 is: 323,169.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,326.70 : 884,054.85 = 215,430.70 : x
  2. Step 2: Convert to fraction form
    589,326.70/884,054.85 = 215,430.70/x
  3. Step 3: Cross multiply
    589,326.70x = 884,054.85 × 215,430.70
  4. Step 4: Simplify right side
    589,326.70x = 190,452,555,173.90
  5. Step 5: Solve for x
    x = 190,452,555,173.90/589,326.70
  6. Step 6: Final answer
    x = 323,169.74

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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.