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Finding the Fourth Proportional to 575,081.16, 793,617.24 and 316,967.44

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Solution

The fourth proportional to 575,081.16, 793,617.24 and 316,967.44 is: 437,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,081.16 : 793,617.24 = 316,967.44 : x
  2. Step 2: Convert to fraction form
    575,081.16/793,617.24 = 316,967.44/x
  3. Step 3: Cross multiply
    575,081.16x = 793,617.24 × 316,967.44
  4. Step 4: Simplify right side
    575,081.16x = 251,550,824,902.67
  5. Step 5: Solve for x
    x = 251,550,824,902.67/575,081.16
  6. Step 6: Final answer
    x = 437,417.95

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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.