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Finding the Fourth Proportional to 895,412.16, 1,343,264.16 and 264,389.76

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Solution

The fourth proportional to 895,412.16, 1,343,264.16 and 264,389.76 is: 396,627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,412.16 : 1,343,264.16 = 264,389.76 : x
  2. Step 2: Convert to fraction form
    895,412.16/1,343,264.16 = 264,389.76/x
  3. Step 3: Cross multiply
    895,412.16x = 1,343,264.16 × 264,389.76
  4. Step 4: Simplify right side
    895,412.16x = 355,145,288,879.00
  5. Step 5: Solve for x
    x = 355,145,288,879.00/895,412.16
  6. Step 6: Final answer
    x = 396,627.73

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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.