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Finding the Fourth Proportional to 754,281.60, 1,040,649.60 and 467,698.56

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Solution

The fourth proportional to 754,281.60, 1,040,649.60 and 467,698.56 is: 645,263.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,281.60 : 1,040,649.60 = 467,698.56 : x
  2. Step 2: Convert to fraction form
    754,281.60/1,040,649.60 = 467,698.56/x
  3. Step 3: Cross multiply
    754,281.60x = 1,040,649.60 × 467,698.56
  4. Step 4: Simplify right side
    754,281.60x = 486,710,319,384.58
  5. Step 5: Solve for x
    x = 486,710,319,384.58/754,281.60
  6. Step 6: Final answer
    x = 645,263.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.