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Finding the Fourth Proportional to 895,801.20, 1,344,220.20 and 334,892.40

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Solution

The fourth proportional to 895,801.20, 1,344,220.20 and 334,892.40 is: 502,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,801.20 : 1,344,220.20 = 334,892.40 : x
  2. Step 2: Convert to fraction form
    895,801.20/1,344,220.20 = 334,892.40/x
  3. Step 3: Cross multiply
    895,801.20x = 1,344,220.20 × 334,892.40
  4. Step 4: Simplify right side
    895,801.20x = 450,169,128,906.48
  5. Step 5: Solve for x
    x = 450,169,128,906.48/895,801.20
  6. Step 6: Final answer
    x = 502,532.40

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Double scale
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Similar ratio
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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.