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Finding the Fourth Proportional to 355,235.60, 534,165.60 and 297,498.80

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Solution

The fourth proportional to 355,235.60, 534,165.60 and 297,498.80 is: 447,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,235.60 : 534,165.60 = 297,498.80 : x
  2. Step 2: Convert to fraction form
    355,235.60/534,165.60 = 297,498.80/x
  3. Step 3: Cross multiply
    355,235.60x = 534,165.60 × 297,498.80
  4. Step 4: Simplify right side
    355,235.60x = 158,913,625,001.28
  5. Step 5: Solve for x
    x = 158,913,625,001.28/355,235.60
  6. Step 6: Final answer
    x = 447,347.13

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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.