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Finding the Fourth Proportional to 437,989.92, 604,208.80 and 282,887.88

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Solution

The fourth proportional to 437,989.92, 604,208.80 and 282,887.88 is: 390,244.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,989.92 : 604,208.80 = 282,887.88 : x
  2. Step 2: Convert to fraction form
    437,989.92/604,208.80 = 282,887.88/x
  3. Step 3: Cross multiply
    437,989.92x = 604,208.80 × 282,887.88
  4. Step 4: Simplify right side
    437,989.92x = 170,923,346,509.34
  5. Step 5: Solve for x
    x = 170,923,346,509.34/437,989.92
  6. Step 6: Final answer
    x = 390,244.93

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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.