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Finding the Fourth Proportional to 570,567.15, 855,369.05 and 359,740.35

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Solution

The fourth proportional to 570,567.15, 855,369.05 and 359,740.35 is: 539,306.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,567.15 : 855,369.05 = 359,740.35 : x
  2. Step 2: Convert to fraction form
    570,567.15/855,369.05 = 359,740.35/x
  3. Step 3: Cross multiply
    570,567.15x = 855,369.05 × 359,740.35
  4. Step 4: Simplify right side
    570,567.15x = 307,710,759,627.47
  5. Step 5: Solve for x
    x = 307,710,759,627.47/570,567.15
  6. Step 6: Final answer
    x = 539,306.83

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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.