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Finding the Fourth Proportional to 346,503.68, 519,774.96 and 97,205.12

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Solution

The fourth proportional to 346,503.68, 519,774.96 and 97,205.12 is: 145,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,503.68 : 519,774.96 = 97,205.12 : x
  2. Step 2: Convert to fraction form
    346,503.68/519,774.96 = 97,205.12/x
  3. Step 3: Cross multiply
    346,503.68x = 519,774.96 × 97,205.12
  4. Step 4: Simplify right side
    346,503.68x = 50,524,787,359.80
  5. Step 5: Solve for x
    x = 50,524,787,359.80/346,503.68
  6. Step 6: Final answer
    x = 145,813.13

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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.