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Finding the Fourth Proportional to 402,955.70, 604,433.55 and 242,597.30

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Solution

The fourth proportional to 402,955.70, 604,433.55 and 242,597.30 is: 363,895.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,955.70 : 604,433.55 = 242,597.30 : x
  2. Step 2: Convert to fraction form
    402,955.70/604,433.55 = 242,597.30/x
  3. Step 3: Cross multiply
    402,955.70x = 604,433.55 × 242,597.30
  4. Step 4: Simplify right side
    402,955.70x = 146,633,947,259.42
  5. Step 5: Solve for x
    x = 146,633,947,259.42/402,955.70
  6. Step 6: Final answer
    x = 363,895.95

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.