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Finding the Fourth Proportional to 397,312.88, 592,226.52 and 365,426.42

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Solution

The fourth proportional to 397,312.88, 592,226.52 and 365,426.42 is: 544,697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,312.88 : 592,226.52 = 365,426.42 : x
  2. Step 2: Convert to fraction form
    397,312.88/592,226.52 = 365,426.42/x
  3. Step 3: Cross multiply
    397,312.88x = 592,226.52 × 365,426.42
  4. Step 4: Simplify right side
    397,312.88x = 216,415,217,032.66
  5. Step 5: Solve for x
    x = 216,415,217,032.66/397,312.88
  6. Step 6: Final answer
    x = 544,697.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.