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Finding the Fourth Proportional to 559,543.01, 772,170.30 and 304,894.17

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Solution

The fourth proportional to 559,543.01, 772,170.30 and 304,894.17 is: 420,754.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,543.01 : 772,170.30 = 304,894.17 : x
  2. Step 2: Convert to fraction form
    559,543.01/772,170.30 = 304,894.17/x
  3. Step 3: Cross multiply
    559,543.01x = 772,170.30 × 304,894.17
  4. Step 4: Simplify right side
    559,543.01x = 235,430,222,717.15
  5. Step 5: Solve for x
    x = 235,430,222,717.15/559,543.01
  6. Step 6: Final answer
    x = 420,754.47

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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.