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Finding the Fourth Proportional to 600,015.40, 900,032.70 and 156,783.40

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Solution

The fourth proportional to 600,015.40, 900,032.70 and 156,783.40 is: 235,177.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,015.40 : 900,032.70 = 156,783.40 : x
  2. Step 2: Convert to fraction form
    600,015.40/900,032.70 = 156,783.40/x
  3. Step 3: Cross multiply
    600,015.40x = 900,032.70 × 156,783.40
  4. Step 4: Simplify right side
    600,015.40x = 141,110,186,817.18
  5. Step 5: Solve for x
    x = 141,110,186,817.18/600,015.40
  6. Step 6: Final answer
    x = 235,177.61

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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.