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Finding the Fourth Proportional to 543,265.80, 814,898.70 and 403,297.80

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Solution

The fourth proportional to 543,265.80, 814,898.70 and 403,297.80 is: 604,946.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,265.80 : 814,898.70 = 403,297.80 : x
  2. Step 2: Convert to fraction form
    543,265.80/814,898.70 = 403,297.80/x
  3. Step 3: Cross multiply
    543,265.80x = 814,898.70 × 403,297.80
  4. Step 4: Simplify right side
    543,265.80x = 328,646,852,932.86
  5. Step 5: Solve for x
    x = 328,646,852,932.86/543,265.80
  6. Step 6: Final answer
    x = 604,946.70

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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.