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Finding the Fourth Proportional to 713,647.30, 1,070,470.95 and 573,679.30

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Solution

The fourth proportional to 713,647.30, 1,070,470.95 and 573,679.30 is: 860,518.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,647.30 : 1,070,470.95 = 573,679.30 : x
  2. Step 2: Convert to fraction form
    713,647.30/1,070,470.95 = 573,679.30/x
  3. Step 3: Cross multiply
    713,647.30x = 1,070,470.95 × 573,679.30
  4. Step 4: Simplify right side
    713,647.30x = 614,107,025,266.34
  5. Step 5: Solve for x
    x = 614,107,025,266.34/713,647.30
  6. Step 6: Final answer
    x = 860,518.95

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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.