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Finding the Fourth Proportional to 625,445.34, 938,168.02 and 152,131.02

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Solution

The fourth proportional to 625,445.34, 938,168.02 and 152,131.02 is: 228,196.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,445.34 : 938,168.02 = 152,131.02 : x
  2. Step 2: Convert to fraction form
    625,445.34/938,168.02 = 152,131.02/x
  3. Step 3: Cross multiply
    625,445.34x = 938,168.02 × 152,131.02
  4. Step 4: Simplify right side
    625,445.34x = 142,724,457,813.98
  5. Step 5: Solve for x
    x = 142,724,457,813.98/625,445.34
  6. Step 6: Final answer
    x = 228,196.53

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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.