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Finding the Fourth Proportional to 529,322.32, 730,497.48 and 302,962.64

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Solution

The fourth proportional to 529,322.32, 730,497.48 and 302,962.64 is: 418,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,322.32 : 730,497.48 = 302,962.64 : x
  2. Step 2: Convert to fraction form
    529,322.32/730,497.48 = 302,962.64/x
  3. Step 3: Cross multiply
    529,322.32x = 730,497.48 × 302,962.64
  4. Step 4: Simplify right side
    529,322.32x = 221,313,445,054.15
  5. Step 5: Solve for x
    x = 221,313,445,054.15/529,322.32
  6. Step 6: Final answer
    x = 418,107.15

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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.