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Finding the Fourth Proportional to 676,446.85, 932,412.61 and 458,588.83

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Solution

The fourth proportional to 676,446.85, 932,412.61 and 458,588.83 is: 632,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,446.85 : 932,412.61 = 458,588.83 : x
  2. Step 2: Convert to fraction form
    676,446.85/932,412.61 = 458,588.83/x
  3. Step 3: Cross multiply
    676,446.85x = 932,412.61 × 458,588.83
  4. Step 4: Simplify right side
    676,446.85x = 427,594,007,897.15
  5. Step 5: Solve for x
    x = 427,594,007,897.15/676,446.85
  6. Step 6: Final answer
    x = 632,117.67

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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.