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Finding the Fourth Proportional to 495,374.46, 742,557.30 and 195,443.34

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Solution

The fourth proportional to 495,374.46, 742,557.30 and 195,443.34 is: 292,966.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,374.46 : 742,557.30 = 195,443.34 : x
  2. Step 2: Convert to fraction form
    495,374.46/742,557.30 = 195,443.34/x
  3. Step 3: Cross multiply
    495,374.46x = 742,557.30 × 195,443.34
  4. Step 4: Simplify right side
    495,374.46x = 145,127,878,853.38
  5. Step 5: Solve for x
    x = 145,127,878,853.38/495,374.46
  6. Step 6: Final answer
    x = 292,966.01

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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.