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Finding the Fourth Proportional to 495,210.64, 742,807.50 and 158,248.84

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Solution

The fourth proportional to 495,210.64, 742,807.50 and 158,248.84 is: 237,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,210.64 : 742,807.50 = 158,248.84 : x
  2. Step 2: Convert to fraction form
    495,210.64/742,807.50 = 158,248.84/x
  3. Step 3: Cross multiply
    495,210.64x = 742,807.50 × 158,248.84
  4. Step 4: Simplify right side
    495,210.64x = 117,548,425,218.30
  5. Step 5: Solve for x
    x = 117,548,425,218.30/495,210.64
  6. Step 6: Final answer
    x = 237,370.56

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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.