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Finding the Fourth Proportional to 648,094.59, 894,121.08 and 405,955.62

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Solution

The fourth proportional to 648,094.59, 894,121.08 and 405,955.62 is: 560,062.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,094.59 : 894,121.08 = 405,955.62 : x
  2. Step 2: Convert to fraction form
    648,094.59/894,121.08 = 405,955.62/x
  3. Step 3: Cross multiply
    648,094.59x = 894,121.08 × 405,955.62
  4. Step 4: Simplify right side
    648,094.59x = 362,973,477,386.47
  5. Step 5: Solve for x
    x = 362,973,477,386.47/648,094.59
  6. Step 6: Final answer
    x = 560,062.50

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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.