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Finding the Fourth Proportional to 573,612.00, 791,607.15 and 315,512.96

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Solution

The fourth proportional to 573,612.00, 791,607.15 and 315,512.96 is: 435,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,612.00 : 791,607.15 = 315,512.96 : x
  2. Step 2: Convert to fraction form
    573,612.00/791,607.15 = 315,512.96/x
  3. Step 3: Cross multiply
    573,612.00x = 791,607.15 × 315,512.96
  4. Step 4: Simplify right side
    573,612.00x = 249,762,318,077.37
  5. Step 5: Solve for x
    x = 249,762,318,077.37/573,612.00
  6. Step 6: Final answer
    x = 435,420.31

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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.