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Finding the Fourth Proportional to 524,814.80, 787,222.20 and 497,166.80

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Solution

The fourth proportional to 524,814.80, 787,222.20 and 497,166.80 is: 745,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,814.80 : 787,222.20 = 497,166.80 : x
  2. Step 2: Convert to fraction form
    524,814.80/787,222.20 = 497,166.80/x
  3. Step 3: Cross multiply
    524,814.80x = 787,222.20 × 497,166.80
  4. Step 4: Simplify right side
    524,814.80x = 391,380,742,062.96
  5. Step 5: Solve for x
    x = 391,380,742,062.96/524,814.80
  6. Step 6: Final answer
    x = 745,750.20

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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.