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Finding the Fourth Proportional to 573,362.66, 791,255.64 and 315,250.38

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Solution

The fourth proportional to 573,362.66, 791,255.64 and 315,250.38 is: 435,053.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,362.66 : 791,255.64 = 315,250.38 : x
  2. Step 2: Convert to fraction form
    573,362.66/791,255.64 = 315,250.38/x
  3. Step 3: Cross multiply
    573,362.66x = 791,255.64 × 315,250.38
  4. Step 4: Simplify right side
    573,362.66x = 249,443,641,187.14
  5. Step 5: Solve for x
    x = 249,443,641,187.14/573,362.66
  6. Step 6: Final answer
    x = 435,053.87

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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.