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Finding the Fourth Proportional to 384,751.40, 577,127.10 and 233,192.30

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Solution

The fourth proportional to 384,751.40, 577,127.10 and 233,192.30 is: 349,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,751.40 : 577,127.10 = 233,192.30 : x
  2. Step 2: Convert to fraction form
    384,751.40/577,127.10 = 233,192.30/x
  3. Step 3: Cross multiply
    384,751.40x = 577,127.10 × 233,192.30
  4. Step 4: Simplify right side
    384,751.40x = 134,581,595,841.33
  5. Step 5: Solve for x
    x = 134,581,595,841.33/384,751.40
  6. Step 6: Final answer
    x = 349,788.45

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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.