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Finding the Fourth Proportional to 495,194.52, 742,602.22 and 210,707.12

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Solution

The fourth proportional to 495,194.52, 742,602.22 and 210,707.12 is: 315,980.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,194.52 : 742,602.22 = 210,707.12 : x
  2. Step 2: Convert to fraction form
    495,194.52/742,602.22 = 210,707.12/x
  3. Step 3: Cross multiply
    495,194.52x = 742,602.22 × 210,707.12
  4. Step 4: Simplify right side
    495,194.52x = 156,471,575,081.81
  5. Step 5: Solve for x
    x = 156,471,575,081.81/495,194.52
  6. Step 6: Final answer
    x = 315,980.02

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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.