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Finding the Fourth Proportional to 363,354,000.15, 545,031,000.23 and 363,354,000.15

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Solution

The fourth proportional to 363,354,000.15, 545,031,000.23 and 363,354,000.15 is: 545,031,000.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,354,000.15 : 545,031,000.23 = 363,354,000.15 : x
  2. Step 2: Convert to fraction form
    363,354,000.15/545,031,000.23 = 363,354,000.15/x
  3. Step 3: Cross multiply
    363,354,000.15x = 545,031,000.23 × 363,354,000.15
  4. Step 4: Simplify right side
    363,354,000.15x = 198,039,194,137,509,280
  5. Step 5: Solve for x
    x = 198,039,194,137,509,280/363,354,000.15
  6. Step 6: Final answer
    x = 545,031,000.23

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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.