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Finding the Fourth Proportional to 364,883.84, 547,325.76 and 291,478.40

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Solution

The fourth proportional to 364,883.84, 547,325.76 and 291,478.40 is: 437,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,883.84 : 547,325.76 = 291,478.40 : x
  2. Step 2: Convert to fraction form
    364,883.84/547,325.76 = 291,478.40/x
  3. Step 3: Cross multiply
    364,883.84x = 547,325.76 × 291,478.40
  4. Step 4: Simplify right side
    364,883.84x = 159,533,636,803.58
  5. Step 5: Solve for x
    x = 159,533,636,803.58/364,883.84
  6. Step 6: Final answer
    x = 437,217.60

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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.