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Finding the Fourth Proportional to 676,471.68, 933,108.48 and 435,068.64

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Solution

The fourth proportional to 676,471.68, 933,108.48 and 435,068.64 is: 600,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,471.68 : 933,108.48 = 435,068.64 : x
  2. Step 2: Convert to fraction form
    676,471.68/933,108.48 = 435,068.64/x
  3. Step 3: Cross multiply
    676,471.68x = 933,108.48 × 435,068.64
  4. Step 4: Simplify right side
    676,471.68x = 405,966,237,366.07
  5. Step 5: Solve for x
    x = 405,966,237,366.07/676,471.68
  6. Step 6: Final answer
    x = 600,123.03

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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.