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Finding the Fourth Proportional to 590,220.40, 885,330.60 and 253,203.70

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Solution

The fourth proportional to 590,220.40, 885,330.60 and 253,203.70 is: 379,805.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,220.40 : 885,330.60 = 253,203.70 : x
  2. Step 2: Convert to fraction form
    590,220.40/885,330.60 = 253,203.70/x
  3. Step 3: Cross multiply
    590,220.40x = 885,330.60 × 253,203.70
  4. Step 4: Simplify right side
    590,220.40x = 224,168,983,643.22
  5. Step 5: Solve for x
    x = 224,168,983,643.22/590,220.40
  6. Step 6: Final answer
    x = 379,805.55

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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.