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Finding the Fourth Proportional to 702,714.24, 968,830.56 and 447,972.48

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Solution

The fourth proportional to 702,714.24, 968,830.56 and 447,972.48 is: 617,618.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,714.24 : 968,830.56 = 447,972.48 : x
  2. Step 2: Convert to fraction form
    702,714.24/968,830.56 = 447,972.48/x
  3. Step 3: Cross multiply
    702,714.24x = 968,830.56 × 447,972.48
  4. Step 4: Simplify right side
    702,714.24x = 434,009,428,662.99
  5. Step 5: Solve for x
    x = 434,009,428,662.99/702,714.24
  6. Step 6: Final answer
    x = 617,618.66

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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.