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Finding the Fourth Proportional to 533,542,476, 736,288,616.88 and 289,355,340

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Solution

The fourth proportional to 533,542,476, 736,288,616.88 and 289,355,340 is: 399,310,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,542,476 : 736,288,616.88 = 289,355,340 : x
  2. Step 2: Convert to fraction form
    533,542,476/736,288,616.88 = 289,355,340/x
  3. Step 3: Cross multiply
    533,542,476x = 736,288,616.88 × 289,355,340
  4. Step 4: Simplify right side
    533,542,476x = 213,049,043,075,442,144
  5. Step 5: Solve for x
    x = 213,049,043,075,442,144/533,542,476
  6. Step 6: Final answer
    x = 399,310,369.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.