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Finding the Fourth Proportional to 640,597.06, 884,159.10 and 533,062.27

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Solution

The fourth proportional to 640,597.06, 884,159.10 and 533,062.27 is: 735,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,597.06 : 884,159.10 = 533,062.27 : x
  2. Step 2: Convert to fraction form
    640,597.06/884,159.10 = 533,062.27/x
  3. Step 3: Cross multiply
    640,597.06x = 884,159.10 × 533,062.27
  4. Step 4: Simplify right side
    640,597.06x = 471,311,849,801.05
  5. Step 5: Solve for x
    x = 471,311,849,801.05/640,597.06
  6. Step 6: Final answer
    x = 735,738.40

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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.