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Finding the Fourth Proportional to 435,065.70, 652,598.55 and 405,541.20

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Solution

The fourth proportional to 435,065.70, 652,598.55 and 405,541.20 is: 608,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,065.70 : 652,598.55 = 405,541.20 : x
  2. Step 2: Convert to fraction form
    435,065.70/652,598.55 = 405,541.20/x
  3. Step 3: Cross multiply
    435,065.70x = 652,598.55 × 405,541.20
  4. Step 4: Simplify right side
    435,065.70x = 264,655,599,085.26
  5. Step 5: Solve for x
    x = 264,655,599,085.26/435,065.70
  6. Step 6: Final answer
    x = 608,311.80

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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.