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Finding the Fourth Proportional to 355,289.76, 533,303.76 and 237,782.24

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Solution

The fourth proportional to 355,289.76, 533,303.76 and 237,782.24 is: 356,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,289.76 : 533,303.76 = 237,782.24 : x
  2. Step 2: Convert to fraction form
    355,289.76/533,303.76 = 237,782.24/x
  3. Step 3: Cross multiply
    355,289.76x = 533,303.76 × 237,782.24
  4. Step 4: Simplify right side
    355,289.76x = 126,810,162,653.22
  5. Step 5: Solve for x
    x = 126,810,162,653.22/355,289.76
  6. Step 6: Final answer
    x = 356,920.40

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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.