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Finding the Fourth Proportional to 370,023.40, 554,840.70 and 133,330.60

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Solution

The fourth proportional to 370,023.40, 554,840.70 and 133,330.60 is: 199,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,023.40 : 554,840.70 = 133,330.60 : x
  2. Step 2: Convert to fraction form
    370,023.40/554,840.70 = 133,330.60/x
  3. Step 3: Cross multiply
    370,023.40x = 554,840.70 × 133,330.60
  4. Step 4: Simplify right side
    370,023.40x = 73,977,243,435.42
  5. Step 5: Solve for x
    x = 73,977,243,435.42/370,023.40
  6. Step 6: Final answer
    x = 199,925.85

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1.5x scale

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.