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Finding the Fourth Proportional to 249,296.74, 343,854.93 and 168,688.78

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Solution

The fourth proportional to 249,296.74, 343,854.93 and 168,688.78 is: 232,672.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,296.74 : 343,854.93 = 168,688.78 : x
  2. Step 2: Convert to fraction form
    249,296.74/343,854.93 = 168,688.78/x
  3. Step 3: Cross multiply
    249,296.74x = 343,854.93 × 168,688.78
  4. Step 4: Simplify right side
    249,296.74x = 58,004,468,638.69
  5. Step 5: Solve for x
    x = 58,004,468,638.69/249,296.74
  6. Step 6: Final answer
    x = 232,672.39

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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.