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Finding the Fourth Proportional to 882,006.80, 1,323,010.20 and 349,350.80

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Solution

The fourth proportional to 882,006.80, 1,323,010.20 and 349,350.80 is: 524,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,006.80 : 1,323,010.20 = 349,350.80 : x
  2. Step 2: Convert to fraction form
    882,006.80/1,323,010.20 = 349,350.80/x
  3. Step 3: Cross multiply
    882,006.80x = 1,323,010.20 × 349,350.80
  4. Step 4: Simplify right side
    882,006.80x = 462,194,671,778.16
  5. Step 5: Solve for x
    x = 462,194,671,778.16/882,006.80
  6. Step 6: Final answer
    x = 524,026.20

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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.