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Finding the Fourth Proportional to 531,667.60, 733,286.58 and 340,698.76

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Solution

The fourth proportional to 531,667.60, 733,286.58 and 340,698.76 is: 469,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,667.60 : 733,286.58 = 340,698.76 : x
  2. Step 2: Convert to fraction form
    531,667.60/733,286.58 = 340,698.76/x
  3. Step 3: Cross multiply
    531,667.60x = 733,286.58 × 340,698.76
  4. Step 4: Simplify right side
    531,667.60x = 249,829,828,530.64
  5. Step 5: Solve for x
    x = 249,829,828,530.64/531,667.60
  6. Step 6: Final answer
    x = 469,898.54

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Double scale
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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.