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Finding the Fourth Proportional to 452,924.68, 679,386.22 and 120,500.68

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Solution

The fourth proportional to 452,924.68, 679,386.22 and 120,500.68 is: 180,750.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,924.68 : 679,386.22 = 120,500.68 : x
  2. Step 2: Convert to fraction form
    452,924.68/679,386.22 = 120,500.68/x
  3. Step 3: Cross multiply
    452,924.68x = 679,386.22 × 120,500.68
  4. Step 4: Simplify right side
    452,924.68x = 81,866,501,492.63
  5. Step 5: Solve for x
    x = 81,866,501,492.63/452,924.68
  6. Step 6: Final answer
    x = 180,750.81

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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.