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Finding the Fourth Proportional to 292,048.30, 438,086.85 and 152,080.30

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Solution

The fourth proportional to 292,048.30, 438,086.85 and 152,080.30 is: 228,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,048.30 : 438,086.85 = 152,080.30 : x
  2. Step 2: Convert to fraction form
    292,048.30/438,086.85 = 152,080.30/x
  3. Step 3: Cross multiply
    292,048.30x = 438,086.85 × 152,080.30
  4. Step 4: Simplify right side
    292,048.30x = 66,624,379,574.06
  5. Step 5: Solve for x
    x = 66,624,379,574.06/292,048.30
  6. Step 6: Final answer
    x = 228,127.95

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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.