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Finding the Fourth Proportional to 780,830.16, 1,170,457.92 and 593,448

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Solution

The fourth proportional to 780,830.16, 1,170,457.92 and 593,448 is: 889,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,830.16 : 1,170,457.92 = 593,448 : x
  2. Step 2: Convert to fraction form
    780,830.16/1,170,457.92 = 593,448/x
  3. Step 3: Cross multiply
    780,830.16x = 1,170,457.92 × 593,448
  4. Step 4: Simplify right side
    780,830.16x = 694,605,911,708.16
  5. Step 5: Solve for x
    x = 694,605,911,708.16/780,830.16
  6. Step 6: Final answer
    x = 889,573.62

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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.