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Finding the Fourth Proportional to 452,777.40, 679,166.10 and 435,281.40

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Solution

The fourth proportional to 452,777.40, 679,166.10 and 435,281.40 is: 652,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,777.40 : 679,166.10 = 435,281.40 : x
  2. Step 2: Convert to fraction form
    452,777.40/679,166.10 = 435,281.40/x
  3. Step 3: Cross multiply
    452,777.40x = 679,166.10 × 435,281.40
  4. Step 4: Simplify right side
    452,777.40x = 295,628,370,840.54
  5. Step 5: Solve for x
    x = 295,628,370,840.54/452,777.40
  6. Step 6: Final answer
    x = 652,922.10

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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.