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Finding the Fourth Proportional to 546,612.35, 819,317.10 and 191,443.55

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Solution

The fourth proportional to 546,612.35, 819,317.10 and 191,443.55 is: 286,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,612.35 : 819,317.10 = 191,443.55 : x
  2. Step 2: Convert to fraction form
    546,612.35/819,317.10 = 191,443.55/x
  3. Step 3: Cross multiply
    546,612.35x = 819,317.10 × 191,443.55
  4. Step 4: Simplify right side
    546,612.35x = 156,852,974,199.71
  5. Step 5: Solve for x
    x = 156,852,974,199.71/546,612.35
  6. Step 6: Final answer
    x = 286,954.68

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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.