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Finding the Fourth Proportional to 676,955.34, 934,623.12 and 435,657.24

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Solution

The fourth proportional to 676,955.34, 934,623.12 and 435,657.24 is: 601,480.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,955.34 : 934,623.12 = 435,657.24 : x
  2. Step 2: Convert to fraction form
    676,955.34/934,623.12 = 435,657.24/x
  3. Step 3: Cross multiply
    676,955.34x = 934,623.12 × 435,657.24
  4. Step 4: Simplify right side
    676,955.34x = 407,175,328,899.39
  5. Step 5: Solve for x
    x = 407,175,328,899.39/676,955.34
  6. Step 6: Final answer
    x = 601,480.34

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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.