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Finding the Fourth Proportional to 440,653.60, 608,100.36 and 249,703.48

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Solution

The fourth proportional to 440,653.60, 608,100.36 and 249,703.48 is: 344,589.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,653.60 : 608,100.36 = 249,703.48 : x
  2. Step 2: Convert to fraction form
    440,653.60/608,100.36 = 249,703.48/x
  3. Step 3: Cross multiply
    440,653.60x = 608,100.36 × 249,703.48
  4. Step 4: Simplify right side
    440,653.60x = 151,844,776,081.25
  5. Step 5: Solve for x
    x = 151,844,776,081.25/440,653.60
  6. Step 6: Final answer
    x = 344,589.89

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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.