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Finding the Fourth Proportional to 346,806.18, 520,209.27 and 97,488.18

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Solution

The fourth proportional to 346,806.18, 520,209.27 and 97,488.18 is: 146,232.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,806.18 : 520,209.27 = 97,488.18 : x
  2. Step 2: Convert to fraction form
    346,806.18/520,209.27 = 97,488.18/x
  3. Step 3: Cross multiply
    346,806.18x = 520,209.27 × 97,488.18
  4. Step 4: Simplify right side
    346,806.18x = 50,714,254,951.43
  5. Step 5: Solve for x
    x = 50,714,254,951.43/346,806.18
  6. Step 6: Final answer
    x = 146,232.27

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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.