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Finding the Fourth Proportional to 448,852.50, 673,424.55 and 314,055.54

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Solution

The fourth proportional to 448,852.50, 673,424.55 and 314,055.54 is: 471,185.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,852.50 : 673,424.55 = 314,055.54 : x
  2. Step 2: Convert to fraction form
    448,852.50/673,424.55 = 314,055.54/x
  3. Step 3: Cross multiply
    448,852.50x = 673,424.55 × 314,055.54
  4. Step 4: Simplify right side
    448,852.50x = 211,492,710,699.51
  5. Step 5: Solve for x
    x = 211,492,710,699.51/448,852.50
  6. Step 6: Final answer
    x = 471,185.32

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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.