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Finding the Fourth Proportional to 676,956.84, 934,625.19 and 435,658.74

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Solution

The fourth proportional to 676,956.84, 934,625.19 and 435,658.74 is: 601,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,956.84 : 934,625.19 = 435,658.74 : x
  2. Step 2: Convert to fraction form
    676,956.84/934,625.19 = 435,658.74/x
  3. Step 3: Cross multiply
    676,956.84x = 934,625.19 × 435,658.74
  4. Step 4: Simplify right side
    676,956.84x = 407,177,632,647.66
  5. Step 5: Solve for x
    x = 407,177,632,647.66/676,956.84
  6. Step 6: Final answer
    x = 601,482.41

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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.