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Finding the Fourth Proportional to 453,394.13, 625,683.86 and 249,440.67

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Solution

The fourth proportional to 453,394.13, 625,683.86 and 249,440.67 is: 344,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,394.13 : 625,683.86 = 249,440.67 : x
  2. Step 2: Convert to fraction form
    453,394.13/625,683.86 = 249,440.67/x
  3. Step 3: Cross multiply
    453,394.13x = 625,683.86 × 249,440.67
  4. Step 4: Simplify right side
    453,394.13x = 156,071,001,246.59
  5. Step 5: Solve for x
    x = 156,071,001,246.59/453,394.13
  6. Step 6: Final answer
    x = 344,228.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.