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Finding the Fourth Proportional to 657,107.64, 985,510.80 and 183,840.84

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Solution

The fourth proportional to 657,107.64, 985,510.80 and 183,840.84 is: 275,719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,107.64 : 985,510.80 = 183,840.84 : x
  2. Step 2: Convert to fraction form
    657,107.64/985,510.80 = 183,840.84/x
  3. Step 3: Cross multiply
    657,107.64x = 985,510.80 × 183,840.84
  4. Step 4: Simplify right side
    657,107.64x = 181,177,133,301.07
  5. Step 5: Solve for x
    x = 181,177,133,301.07/657,107.64
  6. Step 6: Final answer
    x = 275,719.11

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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.