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Finding the Fourth Proportional to 366,507, 549,672.12 and 153,159.48

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Solution

The fourth proportional to 366,507, 549,672.12 and 153,159.48 is: 229,702.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,507 : 549,672.12 = 153,159.48 : x
  2. Step 2: Convert to fraction form
    366,507/549,672.12 = 153,159.48/x
  3. Step 3: Cross multiply
    366,507x = 549,672.12 × 153,159.48
  4. Step 4: Simplify right side
    366,507x = 84,187,496,069.70
  5. Step 5: Solve for x
    x = 84,187,496,069.70/366,507
  6. Step 6: Final answer
    x = 229,702.29

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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.