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Finding the Fourth Proportional to 530,307.90, 795,586.49 and 175,321.95

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Solution

The fourth proportional to 530,307.90, 795,586.49 and 175,321.95 is: 263,024.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,307.90 : 795,586.49 = 175,321.95 : x
  2. Step 2: Convert to fraction form
    530,307.90/795,586.49 = 175,321.95/x
  3. Step 3: Cross multiply
    530,307.90x = 795,586.49 × 175,321.95
  4. Step 4: Simplify right side
    530,307.90x = 139,483,773,943.85
  5. Step 5: Solve for x
    x = 139,483,773,943.85/530,307.90
  6. Step 6: Final answer
    x = 263,024.13

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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.