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Finding the Fourth Proportional to 377,294.17, 520,655.09 and 207,528.30

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Solution

The fourth proportional to 377,294.17, 520,655.09 and 207,528.30 is: 286,383.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,294.17 : 520,655.09 = 207,528.30 : x
  2. Step 2: Convert to fraction form
    377,294.17/520,655.09 = 207,528.30/x
  3. Step 3: Cross multiply
    377,294.17x = 520,655.09 × 207,528.30
  4. Step 4: Simplify right side
    377,294.17x = 108,050,665,714.05
  5. Step 5: Solve for x
    x = 108,050,665,714.05/377,294.17
  6. Step 6: Final answer
    x = 286,383.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.