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Finding the Fourth Proportional to 346,713.30, 520,069.95 and 294,354.90

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Solution

The fourth proportional to 346,713.30, 520,069.95 and 294,354.90 is: 441,532.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,713.30 : 520,069.95 = 294,354.90 : x
  2. Step 2: Convert to fraction form
    346,713.30/520,069.95 = 294,354.90/x
  3. Step 3: Cross multiply
    346,713.30x = 520,069.95 × 294,354.90
  4. Step 4: Simplify right side
    346,713.30x = 153,085,138,125.26
  5. Step 5: Solve for x
    x = 153,085,138,125.26/346,713.30
  6. Step 6: Final answer
    x = 441,532.35

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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.