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Finding the Fourth Proportional to 600,015.90, 900,033.45 and 156,783.90

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Solution

The fourth proportional to 600,015.90, 900,033.45 and 156,783.90 is: 235,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,015.90 : 900,033.45 = 156,783.90 : x
  2. Step 2: Convert to fraction form
    600,015.90/900,033.45 = 156,783.90/x
  3. Step 3: Cross multiply
    600,015.90x = 900,033.45 × 156,783.90
  4. Step 4: Simplify right side
    600,015.90x = 141,110,754,421.46
  5. Step 5: Solve for x
    x = 141,110,754,421.46/600,015.90
  6. Step 6: Final answer
    x = 235,178.36

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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.