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Finding the Fourth Proportional to 573,465.84, 791,433.24 and 315,388.23

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Solution

The fourth proportional to 573,465.84, 791,433.24 and 315,388.23 is: 435,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,465.84 : 791,433.24 = 315,388.23 : x
  2. Step 2: Convert to fraction form
    573,465.84/791,433.24 = 315,388.23/x
  3. Step 3: Cross multiply
    573,465.84x = 791,433.24 × 315,388.23
  4. Step 4: Simplify right side
    573,465.84x = 249,608,728,726.77
  5. Step 5: Solve for x
    x = 249,608,728,726.77/573,465.84
  6. Step 6: Final answer
    x = 435,263.47

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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.