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Finding the Fourth Proportional to 959,011.89, 1,323,429.89 and 529,292.01

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Solution

The fourth proportional to 959,011.89, 1,323,429.89 and 529,292.01 is: 730,419.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,011.89 : 1,323,429.89 = 529,292.01 : x
  2. Step 2: Convert to fraction form
    959,011.89/1,323,429.89 = 529,292.01/x
  3. Step 3: Cross multiply
    959,011.89x = 1,323,429.89 × 529,292.01
  4. Step 4: Simplify right side
    959,011.89x = 700,480,866,572.18
  5. Step 5: Solve for x
    x = 700,480,866,572.18/959,011.89
  6. Step 6: Final answer
    x = 730,419.38

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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.