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Finding the Fourth Proportional to 532,953.76, 735,476.88 and 294,489.76

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Solution

The fourth proportional to 532,953.76, 735,476.88 and 294,489.76 is: 406,396.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,953.76 : 735,476.88 = 294,489.76 : x
  2. Step 2: Convert to fraction form
    532,953.76/735,476.88 = 294,489.76/x
  3. Step 3: Cross multiply
    532,953.76x = 735,476.88 × 294,489.76
  4. Step 4: Simplify right side
    532,953.76x = 216,590,409,876.75
  5. Step 5: Solve for x
    x = 216,590,409,876.75/532,953.76
  6. Step 6: Final answer
    x = 406,396.25

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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.