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Finding the Fourth Proportional to 616,627.64, 850,970.94 and 358,503.32

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Solution

The fourth proportional to 616,627.64, 850,970.94 and 358,503.32 is: 494,749.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,627.64 : 850,970.94 = 358,503.32 : x
  2. Step 2: Convert to fraction form
    616,627.64/850,970.94 = 358,503.32/x
  3. Step 3: Cross multiply
    616,627.64x = 850,970.94 × 358,503.32
  4. Step 4: Simplify right side
    616,627.64x = 305,075,907,213.52
  5. Step 5: Solve for x
    x = 305,075,907,213.52/616,627.64
  6. Step 6: Final answer
    x = 494,749.00

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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.