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Finding the Fourth Proportional to 355,714.52, 533,572.68 and 145,352.42

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Solution

The fourth proportional to 355,714.52, 533,572.68 and 145,352.42 is: 218,029.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,714.52 : 533,572.68 = 145,352.42 : x
  2. Step 2: Convert to fraction form
    355,714.52/533,572.68 = 145,352.42/x
  3. Step 3: Cross multiply
    355,714.52x = 533,572.68 × 145,352.42
  4. Step 4: Simplify right side
    355,714.52x = 77,556,080,283.89
  5. Step 5: Solve for x
    x = 77,556,080,283.89/355,714.52
  6. Step 6: Final answer
    x = 218,029.00

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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.