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Finding the Fourth Proportional to 617,085.04, 851,566.08 and 348,813.04

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Solution

The fourth proportional to 617,085.04, 851,566.08 and 348,813.04 is: 481,355.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,085.04 : 851,566.08 = 348,813.04 : x
  2. Step 2: Convert to fraction form
    617,085.04/851,566.08 = 348,813.04/x
  3. Step 3: Cross multiply
    617,085.04x = 851,566.08 × 348,813.04
  4. Step 4: Simplify right side
    617,085.04x = 297,037,353,125.68
  5. Step 5: Solve for x
    x = 297,037,353,125.68/617,085.04
  6. Step 6: Final answer
    x = 481,355.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.