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Finding the Fourth Proportional to 573,359.14, 791,166.90 and 315,193.60

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Solution

The fourth proportional to 573,359.14, 791,166.90 and 315,193.60 is: 434,929.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,359.14 : 791,166.90 = 315,193.60 : x
  2. Step 2: Convert to fraction form
    573,359.14/791,166.90 = 315,193.60/x
  3. Step 3: Cross multiply
    573,359.14x = 791,166.90 × 315,193.60
  4. Step 4: Simplify right side
    573,359.14x = 249,370,743,411.84
  5. Step 5: Solve for x
    x = 249,370,743,411.84/573,359.14
  6. Step 6: Final answer
    x = 434,929.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.