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Finding the Fourth Proportional to 676,483.55, 933,193.36 and 418,277.96

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Solution

The fourth proportional to 676,483.55, 933,193.36 and 418,277.96 is: 577,004.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,483.55 : 933,193.36 = 418,277.96 : x
  2. Step 2: Convert to fraction form
    676,483.55/933,193.36 = 418,277.96/x
  3. Step 3: Cross multiply
    676,483.55x = 933,193.36 × 418,277.96
  4. Step 4: Simplify right side
    676,483.55x = 390,334,209,194.68
  5. Step 5: Solve for x
    x = 390,334,209,194.68/676,483.55
  6. Step 6: Final answer
    x = 577,004.74

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Double scale
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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.