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Finding the Fourth Proportional to 376,130.40, 564,189.66 and 151,485.54

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Solution

The fourth proportional to 376,130.40, 564,189.66 and 151,485.54 is: 227,225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,130.40 : 564,189.66 = 151,485.54 : x
  2. Step 2: Convert to fraction form
    376,130.40/564,189.66 = 151,485.54/x
  3. Step 3: Cross multiply
    376,130.40x = 564,189.66 × 151,485.54
  4. Step 4: Simplify right side
    376,130.40x = 85,466,575,307.52
  5. Step 5: Solve for x
    x = 85,466,575,307.52/376,130.40
  6. Step 6: Final answer
    x = 227,225.92

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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.