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Finding the Fourth Proportional to 403,651.68, 557,032.32 and 233,901.60

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Solution

The fourth proportional to 403,651.68, 557,032.32 and 233,901.60 is: 322,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,651.68 : 557,032.32 = 233,901.60 : x
  2. Step 2: Convert to fraction form
    403,651.68/557,032.32 = 233,901.60/x
  3. Step 3: Cross multiply
    403,651.68x = 557,032.32 × 233,901.60
  4. Step 4: Simplify right side
    403,651.68x = 130,290,750,899.71
  5. Step 5: Solve for x
    x = 130,290,750,899.71/403,651.68
  6. Step 6: Final answer
    x = 322,780.15

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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.