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Finding the Fourth Proportional to 221,300,094.20, 310,273,628.20 and 221,300,094.20

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Solution

The fourth proportional to 221,300,094.20, 310,273,628.20 and 221,300,094.20 is: 310,273,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,300,094.20 : 310,273,628.20 = 221,300,094.20 : x
  2. Step 2: Convert to fraction form
    221,300,094.20/310,273,628.20 = 221,300,094.20/x
  3. Step 3: Cross multiply
    221,300,094.20x = 310,273,628.20 × 221,300,094.20
  4. Step 4: Simplify right side
    221,300,094.20x = 68,663,583,148,435,768
  5. Step 5: Solve for x
    x = 68,663,583,148,435,768/221,300,094.20
  6. Step 6: Final answer
    x = 310,273,628.20

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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.