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Finding the Fourth Proportional to 370,801.86, 511,707.15 and 201,036.42

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Solution

The fourth proportional to 370,801.86, 511,707.15 and 201,036.42 is: 277,430.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,801.86 : 511,707.15 = 201,036.42 : x
  2. Step 2: Convert to fraction form
    370,801.86/511,707.15 = 201,036.42/x
  3. Step 3: Cross multiply
    370,801.86x = 511,707.15 × 201,036.42
  4. Step 4: Simplify right side
    370,801.86x = 102,871,773,524.40
  5. Step 5: Solve for x
    x = 102,871,773,524.40/370,801.86
  6. Step 6: Final answer
    x = 277,430.58

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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.