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Finding the Fourth Proportional to 346,715.80, 520,073.70 and 241,653.40

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Solution

The fourth proportional to 346,715.80, 520,073.70 and 241,653.40 is: 362,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,715.80 : 520,073.70 = 241,653.40 : x
  2. Step 2: Convert to fraction form
    346,715.80/520,073.70 = 241,653.40/x
  3. Step 3: Cross multiply
    346,715.80x = 520,073.70 × 241,653.40
  4. Step 4: Simplify right side
    346,715.80x = 125,677,577,855.58
  5. Step 5: Solve for x
    x = 125,677,577,855.58/346,715.80
  6. Step 6: Final answer
    x = 362,480.10

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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.