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Finding the Fourth Proportional to 889,792.93, 1,334,751.63 and 357,313.94

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Solution

The fourth proportional to 889,792.93, 1,334,751.63 and 357,313.94 is: 535,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,792.93 : 1,334,751.63 = 357,313.94 : x
  2. Step 2: Convert to fraction form
    889,792.93/1,334,751.63 = 357,313.94/x
  3. Step 3: Cross multiply
    889,792.93x = 1,334,751.63 × 357,313.94
  4. Step 4: Simplify right side
    889,792.93x = 476,925,363,836.72
  5. Step 5: Solve for x
    x = 476,925,363,836.72/889,792.93
  6. Step 6: Final answer
    x = 535,995.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.