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Finding the Fourth Proportional to 543,554.75, 750,080.40 and 301,852.76

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Solution

The fourth proportional to 543,554.75, 750,080.40 and 301,852.76 is: 416,542.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,554.75 : 750,080.40 = 301,852.76 : x
  2. Step 2: Convert to fraction form
    543,554.75/750,080.40 = 301,852.76/x
  3. Step 3: Cross multiply
    543,554.75x = 750,080.40 × 301,852.76
  4. Step 4: Simplify right side
    543,554.75x = 226,413,838,961.90
  5. Step 5: Solve for x
    x = 226,413,838,961.90/543,554.75
  6. Step 6: Final answer
    x = 416,542.84

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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.