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Finding the Fourth Proportional to 450,434.88, 675,545.70 and 130,502.08

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Solution

The fourth proportional to 450,434.88, 675,545.70 and 130,502.08 is: 195,722.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,434.88 : 675,545.70 = 130,502.08 : x
  2. Step 2: Convert to fraction form
    450,434.88/675,545.70 = 130,502.08/x
  3. Step 3: Cross multiply
    450,434.88x = 675,545.70 × 130,502.08
  4. Step 4: Simplify right side
    450,434.88x = 88,160,118,985.06
  5. Step 5: Solve for x
    x = 88,160,118,985.06/450,434.88
  6. Step 6: Final answer
    x = 195,722.23

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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.