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Finding the Fourth Proportional to 458,911.36, 632,946.72 and 402,224.32

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Solution

The fourth proportional to 458,911.36, 632,946.72 and 402,224.32 is: 554,761.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,911.36 : 632,946.72 = 402,224.32 : x
  2. Step 2: Convert to fraction form
    458,911.36/632,946.72 = 402,224.32/x
  3. Step 3: Cross multiply
    458,911.36x = 632,946.72 × 402,224.32
  4. Step 4: Simplify right side
    458,911.36x = 254,586,564,048.23
  5. Step 5: Solve for x
    x = 254,586,564,048.23/458,911.36
  6. Step 6: Final answer
    x = 554,761.96

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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.