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Finding the Fourth Proportional to 492,056.70, 735,388.80 and 359,216.70

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Solution

The fourth proportional to 492,056.70, 735,388.80 and 359,216.70 is: 536,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,056.70 : 735,388.80 = 359,216.70 : x
  2. Step 2: Convert to fraction form
    492,056.70/735,388.80 = 359,216.70/x
  3. Step 3: Cross multiply
    492,056.70x = 735,388.80 × 359,216.70
  4. Step 4: Simplify right side
    492,056.70x = 264,163,937,952.96
  5. Step 5: Solve for x
    x = 264,163,937,952.96/492,056.70
  6. Step 6: Final answer
    x = 536,856.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.