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Finding the Fourth Proportional to 304,275.40, 456,413.10 and 302,525.80

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Solution

The fourth proportional to 304,275.40, 456,413.10 and 302,525.80 is: 453,788.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,275.40 : 456,413.10 = 302,525.80 : x
  2. Step 2: Convert to fraction form
    304,275.40/456,413.10 = 302,525.80/x
  3. Step 3: Cross multiply
    304,275.40x = 456,413.10 × 302,525.80
  4. Step 4: Simplify right side
    304,275.40x = 138,076,738,207.98
  5. Step 5: Solve for x
    x = 138,076,738,207.98/304,275.40
  6. Step 6: Final answer
    x = 453,788.70

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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.