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Finding the Fourth Proportional to 453,888.45, 626,370.75 and 249,958.35

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Solution

The fourth proportional to 453,888.45, 626,370.75 and 249,958.35 is: 344,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,888.45 : 626,370.75 = 249,958.35 : x
  2. Step 2: Convert to fraction form
    453,888.45/626,370.75 = 249,958.35/x
  3. Step 3: Cross multiply
    453,888.45x = 626,370.75 × 249,958.35
  4. Step 4: Simplify right side
    453,888.45x = 156,566,599,158.26
  5. Step 5: Solve for x
    x = 156,566,599,158.26/453,888.45
  6. Step 6: Final answer
    x = 344,945.11

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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.