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Finding the Fourth Proportional to 573,741.56, 791,758.96 and 315,612.94

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Solution

The fourth proportional to 573,741.56, 791,758.96 and 315,612.94 is: 435,543.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,741.56 : 791,758.96 = 315,612.94 : x
  2. Step 2: Convert to fraction form
    573,741.56/791,758.96 = 315,612.94/x
  3. Step 3: Cross multiply
    573,741.56x = 791,758.96 × 315,612.94
  4. Step 4: Simplify right side
    573,741.56x = 249,889,373,136.94
  5. Step 5: Solve for x
    x = 249,889,373,136.94/573,741.56
  6. Step 6: Final answer
    x = 435,543.44

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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.