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Finding the Fourth Proportional to 573,436.08, 791,362.08 and 315,332.76

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Solution

The fourth proportional to 573,436.08, 791,362.08 and 315,332.76 is: 435,170.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,436.08 : 791,362.08 = 315,332.76 : x
  2. Step 2: Convert to fraction form
    573,436.08/791,362.08 = 315,332.76/x
  3. Step 3: Cross multiply
    573,436.08x = 791,362.08 × 315,332.76
  4. Step 4: Simplify right side
    573,436.08x = 249,542,388,845.74
  5. Step 5: Solve for x
    x = 249,542,388,845.74/573,436.08
  6. Step 6: Final answer
    x = 435,170.37

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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.