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Finding the Fourth Proportional to 415,246.35, 581,738.55 and 415,246.35

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Solution

The fourth proportional to 415,246.35, 581,738.55 and 415,246.35 is: 581,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,246.35 : 581,738.55 = 415,246.35 : x
  2. Step 2: Convert to fraction form
    415,246.35/581,738.55 = 415,246.35/x
  3. Step 3: Cross multiply
    415,246.35x = 581,738.55 × 415,246.35
  4. Step 4: Simplify right side
    415,246.35x = 241,564,809,541.79
  5. Step 5: Solve for x
    x = 241,564,809,541.79/415,246.35
  6. Step 6: Final answer
    x = 581,738.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.