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Finding the Fourth Proportional to 495,001.40, 742,793.70 and 327,007.40

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Solution

The fourth proportional to 495,001.40, 742,793.70 and 327,007.40 is: 490,703.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,001.40 : 742,793.70 = 327,007.40 : x
  2. Step 2: Convert to fraction form
    495,001.40/742,793.70 = 327,007.40/x
  3. Step 3: Cross multiply
    495,001.40x = 742,793.70 × 327,007.40
  4. Step 4: Simplify right side
    495,001.40x = 242,899,036,573.38
  5. Step 5: Solve for x
    x = 242,899,036,573.38/495,001.40
  6. Step 6: Final answer
    x = 490,703.74

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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.