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Finding the Fourth Proportional to 662,904.12, 914,803.02 and 361,098.12

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Solution

The fourth proportional to 662,904.12, 914,803.02 and 361,098.12 is: 498,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,904.12 : 914,803.02 = 361,098.12 : x
  2. Step 2: Convert to fraction form
    662,904.12/914,803.02 = 361,098.12/x
  3. Step 3: Cross multiply
    662,904.12x = 914,803.02 × 361,098.12
  4. Step 4: Simplify right side
    662,904.12x = 330,333,650,692.32
  5. Step 5: Solve for x
    x = 330,333,650,692.32/662,904.12
  6. Step 6: Final answer
    x = 498,312.86

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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.