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Finding the Fourth Proportional to 483,363.60, 725,045.40 and 306,070.80

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Solution

The fourth proportional to 483,363.60, 725,045.40 and 306,070.80 is: 459,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,363.60 : 725,045.40 = 306,070.80 : x
  2. Step 2: Convert to fraction form
    483,363.60/725,045.40 = 306,070.80/x
  3. Step 3: Cross multiply
    483,363.60x = 725,045.40 × 306,070.80
  4. Step 4: Simplify right side
    483,363.60x = 221,915,225,614.32
  5. Step 5: Solve for x
    x = 221,915,225,614.32/483,363.60
  6. Step 6: Final answer
    x = 459,106.20

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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.