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Finding the Fourth Proportional to 533,346.28, 736,612.01 and 492,989.98

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Solution

The fourth proportional to 533,346.28, 736,612.01 and 492,989.98 is: 680,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,346.28 : 736,612.01 = 492,989.98 : x
  2. Step 2: Convert to fraction form
    533,346.28/736,612.01 = 492,989.98/x
  3. Step 3: Cross multiply
    533,346.28x = 736,612.01 × 492,989.98
  4. Step 4: Simplify right side
    533,346.28x = 363,142,341,847.50
  5. Step 5: Solve for x
    x = 363,142,341,847.50/533,346.28
  6. Step 6: Final answer
    x = 680,875.36

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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.