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Finding the Fourth Proportional to 554,966.40, 832,449.60 and 472,297.80

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Solution

The fourth proportional to 554,966.40, 832,449.60 and 472,297.80 is: 708,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,966.40 : 832,449.60 = 472,297.80 : x
  2. Step 2: Convert to fraction form
    554,966.40/832,449.60 = 472,297.80/x
  3. Step 3: Cross multiply
    554,966.40x = 832,449.60 × 472,297.80
  4. Step 4: Simplify right side
    554,966.40x = 393,164,114,690.88
  5. Step 5: Solve for x
    x = 393,164,114,690.88/554,966.40
  6. Step 6: Final answer
    x = 708,446.70

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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.