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Finding the Fourth Proportional to 349,737.60, 524,606.40 and 320,577.60

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Solution

The fourth proportional to 349,737.60, 524,606.40 and 320,577.60 is: 480,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,737.60 : 524,606.40 = 320,577.60 : x
  2. Step 2: Convert to fraction form
    349,737.60/524,606.40 = 320,577.60/x
  3. Step 3: Cross multiply
    349,737.60x = 524,606.40 × 320,577.60
  4. Step 4: Simplify right side
    349,737.60x = 168,177,060,656.64
  5. Step 5: Solve for x
    x = 168,177,060,656.64/349,737.60
  6. Step 6: Final answer
    x = 480,866.40

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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.