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Finding the Fourth Proportional to 346,702.90, 520,054.35 and 169,323.70

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Solution

The fourth proportional to 346,702.90, 520,054.35 and 169,323.70 is: 253,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,702.90 : 520,054.35 = 169,323.70 : x
  2. Step 2: Convert to fraction form
    346,702.90/520,054.35 = 169,323.70/x
  3. Step 3: Cross multiply
    346,702.90x = 520,054.35 × 169,323.70
  4. Step 4: Simplify right side
    346,702.90x = 88,057,526,743.10
  5. Step 5: Solve for x
    x = 88,057,526,743.10/346,702.90
  6. Step 6: Final answer
    x = 253,985.55

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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.