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Finding the Fourth Proportional to 567,973.48, 783,803.48 and 313,325.32

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Solution

The fourth proportional to 567,973.48, 783,803.48 and 313,325.32 is: 432,388.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,973.48 : 783,803.48 = 313,325.32 : x
  2. Step 2: Convert to fraction form
    567,973.48/783,803.48 = 313,325.32/x
  3. Step 3: Cross multiply
    567,973.48x = 783,803.48 × 313,325.32
  4. Step 4: Simplify right side
    567,973.48x = 245,585,476,188.11
  5. Step 5: Solve for x
    x = 245,585,476,188.11/567,973.48
  6. Step 6: Final answer
    x = 432,388.98

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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.