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Finding the Fourth Proportional to 249,284.85, 343,599.47 and 176,594.61

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Solution

The fourth proportional to 249,284.85, 343,599.47 and 176,594.61 is: 243,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,284.85 : 343,599.47 = 176,594.61 : x
  2. Step 2: Convert to fraction form
    249,284.85/343,599.47 = 176,594.61/x
  3. Step 3: Cross multiply
    249,284.85x = 343,599.47 × 176,594.61
  4. Step 4: Simplify right side
    249,284.85x = 60,677,814,400.86
  5. Step 5: Solve for x
    x = 60,677,814,400.86/249,284.85
  6. Step 6: Final answer
    x = 243,407.55

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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.