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Finding the Fourth Proportional to 523,737.48, 785,637.40 and 163,975.70

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Solution

The fourth proportional to 523,737.48, 785,637.40 and 163,975.70 is: 245,973.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,737.48 : 785,637.40 = 163,975.70 : x
  2. Step 2: Convert to fraction form
    523,737.48/785,637.40 = 163,975.70/x
  3. Step 3: Cross multiply
    523,737.48x = 785,637.40 × 163,975.70
  4. Step 4: Simplify right side
    523,737.48x = 128,825,442,611.18
  5. Step 5: Solve for x
    x = 128,825,442,611.18/523,737.48
  6. Step 6: Final answer
    x = 245,973.31

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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.