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Finding the Fourth Proportional to 676,841.79, 934,466.37 and 435,543.69

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Solution

The fourth proportional to 676,841.79, 934,466.37 and 435,543.69 is: 601,323.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,841.79 : 934,466.37 = 435,543.69 : x
  2. Step 2: Convert to fraction form
    676,841.79/934,466.37 = 435,543.69/x
  3. Step 3: Cross multiply
    676,841.79x = 934,466.37 × 435,543.69
  4. Step 4: Simplify right side
    676,841.79x = 407,000,930,970.71
  5. Step 5: Solve for x
    x = 407,000,930,970.71/676,841.79
  6. Step 6: Final answer
    x = 601,323.58

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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.