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Finding the Fourth Proportional to 358,467.80, 537,701.70 and 352,938.20

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Solution

The fourth proportional to 358,467.80, 537,701.70 and 352,938.20 is: 529,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,467.80 : 537,701.70 = 352,938.20 : x
  2. Step 2: Convert to fraction form
    358,467.80/537,701.70 = 352,938.20/x
  3. Step 3: Cross multiply
    358,467.80x = 537,701.70 × 352,938.20
  4. Step 4: Simplify right side
    358,467.80x = 189,775,470,134.94
  5. Step 5: Solve for x
    x = 189,775,470,134.94/358,467.80
  6. Step 6: Final answer
    x = 529,407.30

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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.