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Finding the Fourth Proportional to 264,929.76, 365,598 and 145,697.76

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Solution

The fourth proportional to 264,929.76, 365,598 and 145,697.76 is: 201,060.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,929.76 : 365,598 = 145,697.76 : x
  2. Step 2: Convert to fraction form
    264,929.76/365,598 = 145,697.76/x
  3. Step 3: Cross multiply
    264,929.76x = 365,598 × 145,697.76
  4. Step 4: Simplify right side
    264,929.76x = 53,266,809,660.48
  5. Step 5: Solve for x
    x = 53,266,809,660.48/264,929.76
  6. Step 6: Final answer
    x = 201,060.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.