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Finding the Fourth Proportional to 469,567.35, 703,406.46 and 355,909.55

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Solution

The fourth proportional to 469,567.35, 703,406.46 and 355,909.55 is: 533,148.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,567.35 : 703,406.46 = 355,909.55 : x
  2. Step 2: Convert to fraction form
    469,567.35/703,406.46 = 355,909.55/x
  3. Step 3: Cross multiply
    469,567.35x = 703,406.46 × 355,909.55
  4. Step 4: Simplify right side
    469,567.35x = 250,349,071,460.34
  5. Step 5: Solve for x
    x = 250,349,071,460.34/469,567.35
  6. Step 6: Final answer
    x = 533,148.38

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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.