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Finding the Fourth Proportional to 546,420.08, 819,776.04 and 172,450.16

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Solution

The fourth proportional to 546,420.08, 819,776.04 and 172,450.16 is: 258,721.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,420.08 : 819,776.04 = 172,450.16 : x
  2. Step 2: Convert to fraction form
    546,420.08/819,776.04 = 172,450.16/x
  3. Step 3: Cross multiply
    546,420.08x = 819,776.04 × 172,450.16
  4. Step 4: Simplify right side
    546,420.08x = 141,370,509,262.17
  5. Step 5: Solve for x
    x = 141,370,509,262.17/546,420.08
  6. Step 6: Final answer
    x = 258,721.29

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1.5x scale

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.