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Finding the Fourth Proportional to 472,894.09, 709,719.41 and 248,386.93

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Solution

The fourth proportional to 472,894.09, 709,719.41 and 248,386.93 is: 372,779.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,894.09 : 709,719.41 = 248,386.93 : x
  2. Step 2: Convert to fraction form
    472,894.09/709,719.41 = 248,386.93/x
  3. Step 3: Cross multiply
    472,894.09x = 709,719.41 × 248,386.93
  4. Step 4: Simplify right side
    472,894.09x = 176,285,022,483.68
  5. Step 5: Solve for x
    x = 176,285,022,483.68/472,894.09
  6. Step 6: Final answer
    x = 372,779.08

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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.