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Finding the Fourth Proportional to 651,507.87, 897,957.78 and 433,326.08

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Solution

The fourth proportional to 651,507.87, 897,957.78 and 433,326.08 is: 597,243.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,507.87 : 897,957.78 = 433,326.08 : x
  2. Step 2: Convert to fraction form
    651,507.87/897,957.78 = 433,326.08/x
  3. Step 3: Cross multiply
    651,507.87x = 897,957.78 × 433,326.08
  4. Step 4: Simplify right side
    651,507.87x = 389,108,520,323.11
  5. Step 5: Solve for x
    x = 389,108,520,323.11/651,507.87
  6. Step 6: Final answer
    x = 597,243.01

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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.