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Finding the Fourth Proportional to 539,076.40, 808,686.60 and 184,001.20

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Solution

The fourth proportional to 539,076.40, 808,686.60 and 184,001.20 is: 276,026.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,076.40 : 808,686.60 = 184,001.20 : x
  2. Step 2: Convert to fraction form
    539,076.40/808,686.60 = 184,001.20/x
  3. Step 3: Cross multiply
    539,076.40x = 808,686.60 × 184,001.20
  4. Step 4: Simplify right side
    539,076.40x = 148,799,304,823.92
  5. Step 5: Solve for x
    x = 148,799,304,823.92/539,076.40
  6. Step 6: Final answer
    x = 276,026.38

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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.