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Finding the Fourth Proportional to 453,641.83, 626,020.79 and 249,688.39

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Solution

The fourth proportional to 453,641.83, 626,020.79 and 249,688.39 is: 344,567.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,641.83 : 626,020.79 = 249,688.39 : x
  2. Step 2: Convert to fraction form
    453,641.83/626,020.79 = 249,688.39/x
  3. Step 3: Cross multiply
    453,641.83x = 626,020.79 × 249,688.39
  4. Step 4: Simplify right side
    453,641.83x = 156,310,123,161.63
  5. Step 5: Solve for x
    x = 156,310,123,161.63/453,641.83
  6. Step 6: Final answer
    x = 344,567.26

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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.