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Finding the Fourth Proportional to 301,649.40, 452,603.70 and 153,905.40

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Solution

The fourth proportional to 301,649.40, 452,603.70 and 153,905.40 is: 230,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,649.40 : 452,603.70 = 153,905.40 : x
  2. Step 2: Convert to fraction form
    301,649.40/452,603.70 = 153,905.40/x
  3. Step 3: Cross multiply
    301,649.40x = 452,603.70 × 153,905.40
  4. Step 4: Simplify right side
    301,649.40x = 69,658,153,489.98
  5. Step 5: Solve for x
    x = 69,658,153,489.98/301,649.40
  6. Step 6: Final answer
    x = 230,924.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.