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Finding the Fourth Proportional to 289,255.76, 433,925.88 and 89,594

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Solution

The fourth proportional to 289,255.76, 433,925.88 and 89,594 is: 134,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,255.76 : 433,925.88 = 89,594 : x
  2. Step 2: Convert to fraction form
    289,255.76/433,925.88 = 89,594/x
  3. Step 3: Cross multiply
    289,255.76x = 433,925.88 × 89,594
  4. Step 4: Simplify right side
    289,255.76x = 38,877,155,292.72
  5. Step 5: Solve for x
    x = 38,877,155,292.72/289,255.76
  6. Step 6: Final answer
    x = 134,404.08

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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.