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Finding the Fourth Proportional to 302,239.78, 452,985.99 and 152,522.90

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Solution

The fourth proportional to 302,239.78, 452,985.99 and 152,522.90 is: 228,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,239.78 : 452,985.99 = 152,522.90 : x
  2. Step 2: Convert to fraction form
    302,239.78/452,985.99 = 152,522.90/x
  3. Step 3: Cross multiply
    302,239.78x = 452,985.99 × 152,522.90
  4. Step 4: Simplify right side
    302,239.78x = 69,090,737,002.89
  5. Step 5: Solve for x
    x = 69,090,737,002.89/302,239.78
  6. Step 6: Final answer
    x = 228,595.78

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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.