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Finding the Fourth Proportional to 676,302.96, 933,286.56 and 374,490.48

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Solution

The fourth proportional to 676,302.96, 933,286.56 and 374,490.48 is: 516,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,302.96 : 933,286.56 = 374,490.48 : x
  2. Step 2: Convert to fraction form
    676,302.96/933,286.56 = 374,490.48/x
  3. Step 3: Cross multiply
    676,302.96x = 933,286.56 × 374,490.48
  4. Step 4: Simplify right side
    676,302.96x = 349,506,931,831.95
  5. Step 5: Solve for x
    x = 349,506,931,831.95/676,302.96
  6. Step 6: Final answer
    x = 516,790.48

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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.