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Finding the Fourth Proportional to 841,393, 1,262,089.50 and 250,417

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Solution

The fourth proportional to 841,393, 1,262,089.50 and 250,417 is: 375,625.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,393 : 1,262,089.50 = 250,417 : x
  2. Step 2: Convert to fraction form
    841,393/1,262,089.50 = 250,417/x
  3. Step 3: Cross multiply
    841,393x = 1,262,089.50 × 250,417
  4. Step 4: Simplify right side
    841,393x = 316,048,666,321.50
  5. Step 5: Solve for x
    x = 316,048,666,321.50/841,393
  6. Step 6: Final answer
    x = 375,625.50

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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.