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Finding the Fourth Proportional to 50,255,718.30, 70,214,516.55 and 50,255,718.30

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Solution

The fourth proportional to 50,255,718.30, 70,214,516.55 and 50,255,718.30 is: 70,214,516.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,255,718.30 : 70,214,516.55 = 50,255,718.30 : x
  2. Step 2: Convert to fraction form
    50,255,718.30/70,214,516.55 = 50,255,718.30/x
  3. Step 3: Cross multiply
    50,255,718.30x = 70,214,516.55 × 50,255,718.30
  4. Step 4: Simplify right side
    50,255,718.30x = 3,528,680,964,307,487.50
  5. Step 5: Solve for x
    x = 3,528,680,964,307,487.50/50,255,718.30
  6. Step 6: Final answer
    x = 70,214,516.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.