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Finding the Fourth Proportional to 670,872.84, 925,804.53 and 369,066.84

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Solution

The fourth proportional to 670,872.84, 925,804.53 and 369,066.84 is: 509,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,872.84 : 925,804.53 = 369,066.84 : x
  2. Step 2: Convert to fraction form
    670,872.84/925,804.53 = 369,066.84/x
  3. Step 3: Cross multiply
    670,872.84x = 925,804.53 × 369,066.84
  4. Step 4: Simplify right side
    670,872.84x = 341,683,752,344.79
  5. Step 5: Solve for x
    x = 341,683,752,344.79/670,872.84
  6. Step 6: Final answer
    x = 509,312.25

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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.