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Finding the Fourth Proportional to 498,267.10, 695,999.30 and 498,267.10

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Solution

The fourth proportional to 498,267.10, 695,999.30 and 498,267.10 is: 695,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,267.10 : 695,999.30 = 498,267.10 : x
  2. Step 2: Convert to fraction form
    498,267.10/695,999.30 = 498,267.10/x
  3. Step 3: Cross multiply
    498,267.10x = 695,999.30 × 498,267.10
  4. Step 4: Simplify right side
    498,267.10x = 346,793,552,813.03
  5. Step 5: Solve for x
    x = 346,793,552,813.03/498,267.10
  6. Step 6: Final answer
    x = 695,999.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.