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Finding the Fourth Proportional to 586,071.40, 879,107.10 and 528,010.60

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Solution

The fourth proportional to 586,071.40, 879,107.10 and 528,010.60 is: 792,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,071.40 : 879,107.10 = 528,010.60 : x
  2. Step 2: Convert to fraction form
    586,071.40/879,107.10 = 528,010.60/x
  3. Step 3: Cross multiply
    586,071.40x = 879,107.10 × 528,010.60
  4. Step 4: Simplify right side
    586,071.40x = 464,177,867,335.26
  5. Step 5: Solve for x
    x = 464,177,867,335.26/586,071.40
  6. Step 6: Final answer
    x = 792,015.90

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Similar ratio
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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.