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Finding the Fourth Proportional to 458,912.36, 632,948.10 and 402,225.32

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Solution

The fourth proportional to 458,912.36, 632,948.10 and 402,225.32 is: 554,763.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,912.36 : 632,948.10 = 402,225.32 : x
  2. Step 2: Convert to fraction form
    458,912.36/632,948.10 = 402,225.32/x
  3. Step 3: Cross multiply
    458,912.36x = 632,948.10 × 402,225.32
  4. Step 4: Simplify right side
    458,912.36x = 254,587,752,065.89
  5. Step 5: Solve for x
    x = 254,587,752,065.89/458,912.36
  6. Step 6: Final answer
    x = 554,763.34

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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.