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Finding the Fourth Proportional to 554,572.89, 831,776.09 and 175,444.36

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Solution

The fourth proportional to 554,572.89, 831,776.09 and 175,444.36 is: 263,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,572.89 : 831,776.09 = 175,444.36 : x
  2. Step 2: Convert to fraction form
    554,572.89/831,776.09 = 175,444.36/x
  3. Step 3: Cross multiply
    554,572.89x = 831,776.09 × 175,444.36
  4. Step 4: Simplify right side
    554,572.89x = 145,930,426,088.27
  5. Step 5: Solve for x
    x = 145,930,426,088.27/554,572.89
  6. Step 6: Final answer
    x = 263,140.21

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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.