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Finding the Fourth Proportional to 895,596.80, 1,343,702.40 and 397,318.40

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Solution

The fourth proportional to 895,596.80, 1,343,702.40 and 397,318.40 is: 596,113.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,596.80 : 1,343,702.40 = 397,318.40 : x
  2. Step 2: Convert to fraction form
    895,596.80/1,343,702.40 = 397,318.40/x
  3. Step 3: Cross multiply
    895,596.80x = 1,343,702.40 × 397,318.40
  4. Step 4: Simplify right side
    895,596.80x = 533,877,687,644.16
  5. Step 5: Solve for x
    x = 533,877,687,644.16/895,596.80
  6. Step 6: Final answer
    x = 596,113.88

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1.5x scale

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.