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Finding the Fourth Proportional to 573,109.70, 859,664.55 and 371,030.90

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Solution

The fourth proportional to 573,109.70, 859,664.55 and 371,030.90 is: 556,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,109.70 : 859,664.55 = 371,030.90 : x
  2. Step 2: Convert to fraction form
    573,109.70/859,664.55 = 371,030.90/x
  3. Step 3: Cross multiply
    573,109.70x = 859,664.55 × 371,030.90
  4. Step 4: Simplify right side
    573,109.70x = 318,962,111,684.60
  5. Step 5: Solve for x
    x = 318,962,111,684.60/573,109.70
  6. Step 6: Final answer
    x = 556,546.35

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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.