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Finding the Fourth Proportional to 458,996.61, 633,151.51 and 286,615.32

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Solution

The fourth proportional to 458,996.61, 633,151.51 and 286,615.32 is: 395,364.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,996.61 : 633,151.51 = 286,615.32 : x
  2. Step 2: Convert to fraction form
    458,996.61/633,151.51 = 286,615.32/x
  3. Step 3: Cross multiply
    458,996.61x = 633,151.51 × 286,615.32
  4. Step 4: Simplify right side
    458,996.61x = 181,470,922,647.13
  5. Step 5: Solve for x
    x = 181,470,922,647.13/458,996.61
  6. Step 6: Final answer
    x = 395,364.41

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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.