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Finding the Fourth Proportional to 261,457.93, 360,804.94 and 148,278.25

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Solution

The fourth proportional to 261,457.93, 360,804.94 and 148,278.25 is: 204,620.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,457.93 : 360,804.94 = 148,278.25 : x
  2. Step 2: Convert to fraction form
    261,457.93/360,804.94 = 148,278.25/x
  3. Step 3: Cross multiply
    261,457.93x = 360,804.94 × 148,278.25
  4. Step 4: Simplify right side
    261,457.93x = 53,499,525,094.56
  5. Step 5: Solve for x
    x = 53,499,525,094.56/261,457.93
  6. Step 6: Final answer
    x = 204,620.01

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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.