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Finding the Fourth Proportional to 355,576.60, 533,364.90 and 89,345.80

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Solution

The fourth proportional to 355,576.60, 533,364.90 and 89,345.80 is: 134,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,576.60 : 533,364.90 = 89,345.80 : x
  2. Step 2: Convert to fraction form
    355,576.60/533,364.90 = 89,345.80/x
  3. Step 3: Cross multiply
    355,576.60x = 533,364.90 × 89,345.80
  4. Step 4: Simplify right side
    355,576.60x = 47,653,913,682.42
  5. Step 5: Solve for x
    x = 47,653,913,682.42/355,576.60
  6. Step 6: Final answer
    x = 134,018.70

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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.