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Finding the Fourth Proportional to 346,733.70, 520,100.55 and 307,367.70

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Solution

The fourth proportional to 346,733.70, 520,100.55 and 307,367.70 is: 461,051.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,733.70 : 520,100.55 = 307,367.70 : x
  2. Step 2: Convert to fraction form
    346,733.70/520,100.55 = 307,367.70/x
  3. Step 3: Cross multiply
    346,733.70x = 520,100.55 × 307,367.70
  4. Step 4: Simplify right side
    346,733.70x = 159,862,109,822.24
  5. Step 5: Solve for x
    x = 159,862,109,822.24/346,733.70
  6. Step 6: Final answer
    x = 461,051.55

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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.