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Finding the Fourth Proportional to 346,702.60, 520,053.90 and 303,848.20

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Solution

The fourth proportional to 346,702.60, 520,053.90 and 303,848.20 is: 455,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,702.60 : 520,053.90 = 303,848.20 : x
  2. Step 2: Convert to fraction form
    346,702.60/520,053.90 = 303,848.20/x
  3. Step 3: Cross multiply
    346,702.60x = 520,053.90 × 303,848.20
  4. Step 4: Simplify right side
    346,702.60x = 158,017,441,417.98
  5. Step 5: Solve for x
    x = 158,017,441,417.98/346,702.60
  6. Step 6: Final answer
    x = 455,772.30

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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.