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Finding the Fourth Proportional to 440,995.60, 608,523.24 and 249,970.96

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Solution

The fourth proportional to 440,995.60, 608,523.24 and 249,970.96 is: 344,931.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,995.60 : 608,523.24 = 249,970.96 : x
  2. Step 2: Convert to fraction form
    440,995.60/608,523.24 = 249,970.96/x
  3. Step 3: Cross multiply
    440,995.60x = 608,523.24 × 249,970.96
  4. Step 4: Simplify right side
    440,995.60x = 152,113,138,485.11
  5. Step 5: Solve for x
    x = 152,113,138,485.11/440,995.60
  6. Step 6: Final answer
    x = 344,931.19

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Double scale
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Similar ratio
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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.