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Finding the Fourth Proportional to 435,273.60, 652,132.80 and 355,958.40

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Solution

The fourth proportional to 435,273.60, 652,132.80 and 355,958.40 is: 533,301.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,273.60 : 652,132.80 = 355,958.40 : x
  2. Step 2: Convert to fraction form
    435,273.60/652,132.80 = 355,958.40/x
  3. Step 3: Cross multiply
    435,273.60x = 652,132.80 × 355,958.40
  4. Step 4: Simplify right side
    435,273.60x = 232,132,148,075.52
  5. Step 5: Solve for x
    x = 232,132,148,075.52/435,273.60
  6. Step 6: Final answer
    x = 533,301.69

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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.