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Finding the Fourth Proportional to 615,110.46, 848,852.55 and 346,838.46

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Solution

The fourth proportional to 615,110.46, 848,852.55 and 346,838.46 is: 478,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,110.46 : 848,852.55 = 346,838.46 : x
  2. Step 2: Convert to fraction form
    615,110.46/848,852.55 = 346,838.46/x
  3. Step 3: Cross multiply
    615,110.46x = 848,852.55 × 346,838.46
  4. Step 4: Simplify right side
    615,110.46x = 294,414,711,209.07
  5. Step 5: Solve for x
    x = 294,414,711,209.07/615,110.46
  6. Step 6: Final answer
    x = 478,637.14

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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.