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Finding the Fourth Proportional to 651,881.40, 976,655.70 and 532,908.60

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Solution

The fourth proportional to 651,881.40, 976,655.70 and 532,908.60 is: 798,409.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,881.40 : 976,655.70 = 532,908.60 : x
  2. Step 2: Convert to fraction form
    651,881.40/976,655.70 = 532,908.60/x
  3. Step 3: Cross multiply
    651,881.40x = 976,655.70 × 532,908.60
  4. Step 4: Simplify right side
    651,881.40x = 520,468,221,769.02
  5. Step 5: Solve for x
    x = 520,468,221,769.02/651,881.40
  6. Step 6: Final answer
    x = 798,409.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.