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Finding the Fourth Proportional to 657,762.40, 986,532.32 and 184,338.80

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Solution

The fourth proportional to 657,762.40, 986,532.32 and 184,338.80 is: 276,477.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,762.40 : 986,532.32 = 184,338.80 : x
  2. Step 2: Convert to fraction form
    657,762.40/986,532.32 = 184,338.80/x
  3. Step 3: Cross multiply
    657,762.40x = 986,532.32 × 184,338.80
  4. Step 4: Simplify right side
    657,762.40x = 181,856,184,030.02
  5. Step 5: Solve for x
    x = 181,856,184,030.02/657,762.40
  6. Step 6: Final answer
    x = 276,477.01

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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.