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Finding the Fourth Proportional to 895,490.64, 1,343,702.52 and 396,738

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Solution

The fourth proportional to 895,490.64, 1,343,702.52 and 396,738 is: 595,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,490.64 : 1,343,702.52 = 396,738 : x
  2. Step 2: Convert to fraction form
    895,490.64/1,343,702.52 = 396,738/x
  3. Step 3: Cross multiply
    895,490.64x = 1,343,702.52 × 396,738
  4. Step 4: Simplify right side
    895,490.64x = 533,097,850,379.76
  5. Step 5: Solve for x
    x = 533,097,850,379.76/895,490.64
  6. Step 6: Final answer
    x = 595,313.70

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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.