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Finding the Fourth Proportional to 684,482.42, 944,587.89 and 382,676.42

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Solution

The fourth proportional to 684,482.42, 944,587.89 and 382,676.42 is: 528,094.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,482.42 : 944,587.89 = 382,676.42 : x
  2. Step 2: Convert to fraction form
    684,482.42/944,587.89 = 382,676.42/x
  3. Step 3: Cross multiply
    684,482.42x = 944,587.89 × 382,676.42
  4. Step 4: Simplify right side
    684,482.42x = 361,471,507,397.61
  5. Step 5: Solve for x
    x = 361,471,507,397.61/684,482.42
  6. Step 6: Final answer
    x = 528,094.66

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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.