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Finding the Fourth Proportional to 972,334.80, 1,458,064.80 and 373,096.80

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Solution

The fourth proportional to 972,334.80, 1,458,064.80 and 373,096.80 is: 559,477.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,334.80 : 1,458,064.80 = 373,096.80 : x
  2. Step 2: Convert to fraction form
    972,334.80/1,458,064.80 = 373,096.80/x
  3. Step 3: Cross multiply
    972,334.80x = 1,458,064.80 × 373,096.80
  4. Step 4: Simplify right side
    972,334.80x = 543,999,311,072.64
  5. Step 5: Solve for x
    x = 543,999,311,072.64/972,334.80
  6. Step 6: Final answer
    x = 559,477.36

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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.