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Finding the Fourth Proportional to 640,597.68, 884,159.96 and 533,062.89

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Solution

The fourth proportional to 640,597.68, 884,159.96 and 533,062.89 is: 735,739.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,597.68 : 884,159.96 = 533,062.89 : x
  2. Step 2: Convert to fraction form
    640,597.68/884,159.96 = 533,062.89/x
  3. Step 3: Cross multiply
    640,597.68x = 884,159.96 × 533,062.89
  4. Step 4: Simplify right side
    640,597.68x = 471,312,860,834.57
  5. Step 5: Solve for x
    x = 471,312,860,834.57/640,597.68
  6. Step 6: Final answer
    x = 735,739.26

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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.