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Finding the Fourth Proportional to 501,654.48, 692,247.24 and 286,803.60

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Solution

The fourth proportional to 501,654.48, 692,247.24 and 286,803.60 is: 395,768.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,654.48 : 692,247.24 = 286,803.60 : x
  2. Step 2: Convert to fraction form
    501,654.48/692,247.24 = 286,803.60/x
  3. Step 3: Cross multiply
    501,654.48x = 692,247.24 × 286,803.60
  4. Step 4: Simplify right side
    501,654.48x = 198,539,000,522.06
  5. Step 5: Solve for x
    x = 198,539,000,522.06/501,654.48
  6. Step 6: Final answer
    x = 395,768.42

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1.5x scale

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.