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Finding the Fourth Proportional to 417,289.52, 575,852.75 and 235,994.67

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Solution

The fourth proportional to 417,289.52, 575,852.75 and 235,994.67 is: 325,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,289.52 : 575,852.75 = 235,994.67 : x
  2. Step 2: Convert to fraction form
    417,289.52/575,852.75 = 235,994.67/x
  3. Step 3: Cross multiply
    417,289.52x = 575,852.75 × 235,994.67
  4. Step 4: Simplify right side
    417,289.52x = 135,898,178,524.87
  5. Step 5: Solve for x
    x = 135,898,178,524.87/417,289.52
  6. Step 6: Final answer
    x = 325,668.80

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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.