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Finding the Fourth Proportional to 761,104, 1,050,323.52 and 421,594.12

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Solution

The fourth proportional to 761,104, 1,050,323.52 and 421,594.12 is: 581,799.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,104 : 1,050,323.52 = 421,594.12 : x
  2. Step 2: Convert to fraction form
    761,104/1,050,323.52 = 421,594.12/x
  3. Step 3: Cross multiply
    761,104x = 1,050,323.52 × 421,594.12
  4. Step 4: Simplify right side
    761,104x = 442,810,220,129.70
  5. Step 5: Solve for x
    x = 442,810,220,129.70/761,104
  6. Step 6: Final answer
    x = 581,799.89

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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.