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Finding the Fourth Proportional to 535,043.20, 802,564.80 and 476,982.40

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Solution

The fourth proportional to 535,043.20, 802,564.80 and 476,982.40 is: 715,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,043.20 : 802,564.80 = 476,982.40 : x
  2. Step 2: Convert to fraction form
    535,043.20/802,564.80 = 476,982.40/x
  3. Step 3: Cross multiply
    535,043.20x = 802,564.80 × 476,982.40
  4. Step 4: Simplify right side
    535,043.20x = 382,809,284,459.52
  5. Step 5: Solve for x
    x = 382,809,284,459.52/535,043.20
  6. Step 6: Final answer
    x = 715,473.60

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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.