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Finding the Fourth Proportional to 315,430.56, 473,029.56 and 248,094.36

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Solution

The fourth proportional to 315,430.56, 473,029.56 and 248,094.36 is: 372,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,430.56 : 473,029.56 = 248,094.36 : x
  2. Step 2: Convert to fraction form
    315,430.56/473,029.56 = 248,094.36/x
  3. Step 3: Cross multiply
    315,430.56x = 473,029.56 × 248,094.36
  4. Step 4: Simplify right side
    315,430.56x = 117,355,965,949.28
  5. Step 5: Solve for x
    x = 117,355,965,949.28/315,430.56
  6. Step 6: Final answer
    x = 372,050.08

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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.