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Finding the Fourth Proportional to 658,047.84, 987,464.88 and 604,509.60

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Solution

The fourth proportional to 658,047.84, 987,464.88 and 604,509.60 is: 907,125.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,047.84 : 987,464.88 = 604,509.60 : x
  2. Step 2: Convert to fraction form
    658,047.84/987,464.88 = 604,509.60/x
  3. Step 3: Cross multiply
    658,047.84x = 987,464.88 × 604,509.60
  4. Step 4: Simplify right side
    658,047.84x = 596,931,999,622.85
  5. Step 5: Solve for x
    x = 596,931,999,622.85/658,047.84
  6. Step 6: Final answer
    x = 907,125.54

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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.