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Finding the Fourth Proportional to 657,076.40, 985,614.60 and 183,798.80

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Solution

The fourth proportional to 657,076.40, 985,614.60 and 183,798.80 is: 275,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,076.40 : 985,614.60 = 183,798.80 : x
  2. Step 2: Convert to fraction form
    657,076.40/985,614.60 = 183,798.80/x
  3. Step 3: Cross multiply
    657,076.40x = 985,614.60 × 183,798.80
  4. Step 4: Simplify right side
    657,076.40x = 181,154,780,742.48
  5. Step 5: Solve for x
    x = 181,154,780,742.48/657,076.40
  6. Step 6: Final answer
    x = 275,698.20

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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.