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Finding the Fourth Proportional to 265,734,128.40, 398,601,192.60 and 244,689,064.80

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Solution

The fourth proportional to 265,734,128.40, 398,601,192.60 and 244,689,064.80 is: 367,033,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,734,128.40 : 398,601,192.60 = 244,689,064.80 : x
  2. Step 2: Convert to fraction form
    265,734,128.40/398,601,192.60 = 244,689,064.80/x
  3. Step 3: Cross multiply
    265,734,128.40x = 398,601,192.60 × 244,689,064.80
  4. Step 4: Simplify right side
    265,734,128.40x = 97,533,353,045,458,688
  5. Step 5: Solve for x
    x = 97,533,353,045,458,688/265,734,128.40
  6. Step 6: Final answer
    x = 367,033,597.20

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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.