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Finding the Fourth Proportional to 648,005.84, 894,245.16 and 361,526.24

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Solution

The fourth proportional to 648,005.84, 894,245.16 and 361,526.24 is: 498,904.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,005.84 : 894,245.16 = 361,526.24 : x
  2. Step 2: Convert to fraction form
    648,005.84/894,245.16 = 361,526.24/x
  3. Step 3: Cross multiply
    648,005.84x = 894,245.16 × 361,526.24
  4. Step 4: Simplify right side
    648,005.84x = 323,293,090,333.00
  5. Step 5: Solve for x
    x = 323,293,090,333.00/648,005.84
  6. Step 6: Final answer
    x = 498,904.59

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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.