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Finding the Fourth Proportional to 440,639.88, 608,083.64 and 249,666.16

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Solution

The fourth proportional to 440,639.88, 608,083.64 and 249,666.16 is: 344,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,639.88 : 608,083.64 = 249,666.16 : x
  2. Step 2: Convert to fraction form
    440,639.88/608,083.64 = 249,666.16/x
  3. Step 3: Cross multiply
    440,639.88x = 608,083.64 × 249,666.16
  4. Step 4: Simplify right side
    440,639.88x = 151,817,907,357.62
  5. Step 5: Solve for x
    x = 151,817,907,357.62/440,639.88
  6. Step 6: Final answer
    x = 344,539.64

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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.