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Finding the Fourth Proportional to 671,345.84, 926,476.94 and 365,442.16

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Solution

The fourth proportional to 671,345.84, 926,476.94 and 365,442.16 is: 504,320.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,345.84 : 926,476.94 = 365,442.16 : x
  2. Step 2: Convert to fraction form
    671,345.84/926,476.94 = 365,442.16/x
  3. Step 3: Cross multiply
    671,345.84x = 926,476.94 × 365,442.16
  4. Step 4: Simplify right side
    671,345.84x = 338,573,734,143.79
  5. Step 5: Solve for x
    x = 338,573,734,143.79/671,345.84
  6. Step 6: Final answer
    x = 504,320.89

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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.