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Finding the Fourth Proportional to 495,048.06, 742,884.30 and 210,738.06

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Solution

The fourth proportional to 495,048.06, 742,884.30 and 210,738.06 is: 316,240.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,048.06 : 742,884.30 = 210,738.06 : x
  2. Step 2: Convert to fraction form
    495,048.06/742,884.30 = 210,738.06/x
  3. Step 3: Cross multiply
    495,048.06x = 742,884.30 × 210,738.06
  4. Step 4: Simplify right side
    495,048.06x = 156,553,996,186.46
  5. Step 5: Solve for x
    x = 156,553,996,186.46/495,048.06
  6. Step 6: Final answer
    x = 316,240.00

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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.