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Finding the Fourth Proportional to 561,256.44, 841,783.50 and 161,799.06

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Solution

The fourth proportional to 561,256.44, 841,783.50 and 161,799.06 is: 242,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,256.44 : 841,783.50 = 161,799.06 : x
  2. Step 2: Convert to fraction form
    561,256.44/841,783.50 = 161,799.06/x
  3. Step 3: Cross multiply
    561,256.44x = 841,783.50 × 161,799.06
  4. Step 4: Simplify right side
    561,256.44x = 136,199,779,023.51
  5. Step 5: Solve for x
    x = 136,199,779,023.51/561,256.44
  6. Step 6: Final answer
    x = 242,669.43

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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.