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Finding the Fourth Proportional to 750,900.30, 1,125,852.30 and 414,102.30

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Solution

The fourth proportional to 750,900.30, 1,125,852.30 and 414,102.30 is: 620,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,900.30 : 1,125,852.30 = 414,102.30 : x
  2. Step 2: Convert to fraction form
    750,900.30/1,125,852.30 = 414,102.30/x
  3. Step 3: Cross multiply
    750,900.30x = 1,125,852.30 × 414,102.30
  4. Step 4: Simplify right side
    750,900.30x = 466,218,026,890.29
  5. Step 5: Solve for x
    x = 466,218,026,890.29/750,900.30
  6. Step 6: Final answer
    x = 620,878.73

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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.