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Finding the Fourth Proportional to 676,053.42, 933,005.54 and 385,671.38

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Solution

The fourth proportional to 676,053.42, 933,005.54 and 385,671.38 is: 532,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,053.42 : 933,005.54 = 385,671.38 : x
  2. Step 2: Convert to fraction form
    676,053.42/933,005.54 = 385,671.38/x
  3. Step 3: Cross multiply
    676,053.42x = 933,005.54 × 385,671.38
  4. Step 4: Simplify right side
    676,053.42x = 359,833,534,159.45
  5. Step 5: Solve for x
    x = 359,833,534,159.45/676,053.42
  6. Step 6: Final answer
    x = 532,256.07

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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.