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Finding the Fourth Proportional to 354,095.07, 531,308.42 and 176,615.76

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Solution

The fourth proportional to 354,095.07, 531,308.42 and 176,615.76 is: 265,006.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,095.07 : 531,308.42 = 176,615.76 : x
  2. Step 2: Convert to fraction form
    354,095.07/531,308.42 = 176,615.76/x
  3. Step 3: Cross multiply
    354,095.07x = 531,308.42 × 176,615.76
  4. Step 4: Simplify right side
    354,095.07x = 93,837,440,392.70
  5. Step 5: Solve for x
    x = 93,837,440,392.70/354,095.07
  6. Step 6: Final answer
    x = 265,006.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.