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Finding the Fourth Proportional to 534,813.40, 802,220.10 and 450,832.60

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Solution

The fourth proportional to 534,813.40, 802,220.10 and 450,832.60 is: 676,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,813.40 : 802,220.10 = 450,832.60 : x
  2. Step 2: Convert to fraction form
    534,813.40/802,220.10 = 450,832.60/x
  3. Step 3: Cross multiply
    534,813.40x = 802,220.10 × 450,832.60
  4. Step 4: Simplify right side
    534,813.40x = 361,666,973,455.26
  5. Step 5: Solve for x
    x = 361,666,973,455.26/534,813.40
  6. Step 6: Final answer
    x = 676,248.90

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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.