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Finding the Fourth Proportional to 247,246.70, 370,870.05 and 153,934.70

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Solution

The fourth proportional to 247,246.70, 370,870.05 and 153,934.70 is: 230,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,246.70 : 370,870.05 = 153,934.70 : x
  2. Step 2: Convert to fraction form
    247,246.70/370,870.05 = 153,934.70/x
  3. Step 3: Cross multiply
    247,246.70x = 370,870.05 × 153,934.70
  4. Step 4: Simplify right side
    247,246.70x = 57,089,769,885.74
  5. Step 5: Solve for x
    x = 57,089,769,885.74/247,246.70
  6. Step 6: Final answer
    x = 230,902.05

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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.