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Finding the Fourth Proportional to 346,806.64, 520,209.96 and 97,488.64

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Solution

The fourth proportional to 346,806.64, 520,209.96 and 97,488.64 is: 146,232.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,806.64 : 520,209.96 = 97,488.64 : x
  2. Step 2: Convert to fraction form
    346,806.64/520,209.96 = 97,488.64/x
  3. Step 3: Cross multiply
    346,806.64x = 520,209.96 × 97,488.64
  4. Step 4: Simplify right side
    346,806.64x = 50,714,561,514.85
  5. Step 5: Solve for x
    x = 50,714,561,514.85/346,806.64
  6. Step 6: Final answer
    x = 146,232.96

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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.