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Finding the Fourth Proportional to 369,710.47, 510,076.38 and 301,609.72

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Solution

The fourth proportional to 369,710.47, 510,076.38 and 301,609.72 is: 416,120.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,710.47 : 510,076.38 = 301,609.72 : x
  2. Step 2: Convert to fraction form
    369,710.47/510,076.38 = 301,609.72/x
  3. Step 3: Cross multiply
    369,710.47x = 510,076.38 × 301,609.72
  4. Step 4: Simplify right side
    369,710.47x = 153,843,994,150.41
  5. Step 5: Solve for x
    x = 153,843,994,150.41/369,710.47
  6. Step 6: Final answer
    x = 416,120.20

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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.