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Finding the Fourth Proportional to 468,000.40, 702,000.60 and 152,489.20

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Solution

The fourth proportional to 468,000.40, 702,000.60 and 152,489.20 is: 228,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,000.40 : 702,000.60 = 152,489.20 : x
  2. Step 2: Convert to fraction form
    468,000.40/702,000.60 = 152,489.20/x
  3. Step 3: Cross multiply
    468,000.40x = 702,000.60 × 152,489.20
  4. Step 4: Simplify right side
    468,000.40x = 107,047,509,893.52
  5. Step 5: Solve for x
    x = 107,047,509,893.52/468,000.40
  6. Step 6: Final answer
    x = 228,733.80

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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.