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Finding the Fourth Proportional to 559,754.08, 772,690.59 and 378,711.59

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Solution

The fourth proportional to 559,754.08, 772,690.59 and 378,711.59 is: 522,777.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,754.08 : 772,690.59 = 378,711.59 : x
  2. Step 2: Convert to fraction form
    559,754.08/772,690.59 = 378,711.59/x
  3. Step 3: Cross multiply
    559,754.08x = 772,690.59 × 378,711.59
  4. Step 4: Simplify right side
    559,754.08x = 292,626,878,053.49
  5. Step 5: Solve for x
    x = 292,626,878,053.49/559,754.08
  6. Step 6: Final answer
    x = 522,777.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.