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Finding the Fourth Proportional to 423,195.77, 583,967.62 and 253,425.53

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Solution

The fourth proportional to 423,195.77, 583,967.62 and 253,425.53 is: 349,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,195.77 : 583,967.62 = 253,425.53 : x
  2. Step 2: Convert to fraction form
    423,195.77/583,967.62 = 253,425.53/x
  3. Step 3: Cross multiply
    423,195.77x = 583,967.62 × 253,425.53
  4. Step 4: Simplify right side
    423,195.77x = 147,992,303,601.34
  5. Step 5: Solve for x
    x = 147,992,303,601.34/423,195.77
  6. Step 6: Final answer
    x = 349,701.76

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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.