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Finding the Fourth Proportional to 243,048.30, 364,572.45 and 183,999.30

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Solution

The fourth proportional to 243,048.30, 364,572.45 and 183,999.30 is: 275,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,048.30 : 364,572.45 = 183,999.30 : x
  2. Step 2: Convert to fraction form
    243,048.30/364,572.45 = 183,999.30/x
  3. Step 3: Cross multiply
    243,048.30x = 364,572.45 × 183,999.30
  4. Step 4: Simplify right side
    243,048.30x = 67,081,075,599.29
  5. Step 5: Solve for x
    x = 67,081,075,599.29/243,048.30
  6. Step 6: Final answer
    x = 275,998.95

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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.