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Finding the Fourth Proportional to 529,797.05, 731,109.58 and 288,077.51

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Solution

The fourth proportional to 529,797.05, 731,109.58 and 288,077.51 is: 397,541.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,797.05 : 731,109.58 = 288,077.51 : x
  2. Step 2: Convert to fraction form
    529,797.05/731,109.58 = 288,077.51/x
  3. Step 3: Cross multiply
    529,797.05x = 731,109.58 × 288,077.51
  4. Step 4: Simplify right side
    529,797.05x = 210,616,227,343.55
  5. Step 5: Solve for x
    x = 210,616,227,343.55/529,797.05
  6. Step 6: Final answer
    x = 397,541.34

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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.