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Finding the Fourth Proportional to 423,777.96, 583,534.80 and 366,315.48

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Solution

The fourth proportional to 423,777.96, 583,534.80 and 366,315.48 is: 504,409.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,777.96 : 583,534.80 = 366,315.48 : x
  2. Step 2: Convert to fraction form
    423,777.96/583,534.80 = 366,315.48/x
  3. Step 3: Cross multiply
    423,777.96x = 583,534.80 × 366,315.48
  4. Step 4: Simplify right side
    423,777.96x = 213,757,830,358.70
  5. Step 5: Solve for x
    x = 213,757,830,358.70/423,777.96
  6. Step 6: Final answer
    x = 504,409.98

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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.