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Finding the Fourth Proportional to 267,339,969.20, 401,009,953.80 and 175,506,964.40

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Solution

The fourth proportional to 267,339,969.20, 401,009,953.80 and 175,506,964.40 is: 263,260,446.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,339,969.20 : 401,009,953.80 = 175,506,964.40 : x
  2. Step 2: Convert to fraction form
    267,339,969.20/401,009,953.80 = 175,506,964.40/x
  3. Step 3: Cross multiply
    267,339,969.20x = 401,009,953.80 × 175,506,964.40
  4. Step 4: Simplify right side
    267,339,969.20x = 70,380,039,685,622,248
  5. Step 5: Solve for x
    x = 70,380,039,685,622,248/267,339,969.20
  6. Step 6: Final answer
    x = 263,260,446.60

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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.