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Finding the Fourth Proportional to 501,653.48, 692,245.86 and 286,802.60

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Solution

The fourth proportional to 501,653.48, 692,245.86 and 286,802.60 is: 395,767.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,653.48 : 692,245.86 = 286,802.60 : x
  2. Step 2: Convert to fraction form
    501,653.48/692,245.86 = 286,802.60/x
  3. Step 3: Cross multiply
    501,653.48x = 692,245.86 × 286,802.60
  4. Step 4: Simplify right side
    501,653.48x = 198,537,912,487.24
  5. Step 5: Solve for x
    x = 198,537,912,487.24/501,653.48
  6. Step 6: Final answer
    x = 395,767.04

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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.