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Finding the Fourth Proportional to 346,467.30, 519,312.15 and 196,779.30

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Solution

The fourth proportional to 346,467.30, 519,312.15 and 196,779.30 is: 294,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,467.30 : 519,312.15 = 196,779.30 : x
  2. Step 2: Convert to fraction form
    346,467.30/519,312.15 = 196,779.30/x
  3. Step 3: Cross multiply
    346,467.30x = 519,312.15 × 196,779.30
  4. Step 4: Simplify right side
    346,467.30x = 102,189,881,358.50
  5. Step 5: Solve for x
    x = 102,189,881,358.50/346,467.30
  6. Step 6: Final answer
    x = 294,948.13

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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.