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Finding the Fourth Proportional to 554,341.86, 831,558.15 and 175,288.59

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Solution

The fourth proportional to 554,341.86, 831,558.15 and 175,288.59 is: 262,947.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,341.86 : 831,558.15 = 175,288.59 : x
  2. Step 2: Convert to fraction form
    554,341.86/831,558.15 = 175,288.59/x
  3. Step 3: Cross multiply
    554,341.86x = 831,558.15 × 175,288.59
  4. Step 4: Simplify right side
    554,341.86x = 145,762,655,616.51
  5. Step 5: Solve for x
    x = 145,762,655,616.51/554,341.86
  6. Step 6: Final answer
    x = 262,947.23

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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.