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Finding the Fourth Proportional to 345,547.84, 476,858.40 and 192,595.89

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Solution

The fourth proportional to 345,547.84, 476,858.40 and 192,595.89 is: 265,783.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,547.84 : 476,858.40 = 192,595.89 : x
  2. Step 2: Convert to fraction form
    345,547.84/476,858.40 = 192,595.89/x
  3. Step 3: Cross multiply
    345,547.84x = 476,858.40 × 192,595.89
  4. Step 4: Simplify right side
    345,547.84x = 91,840,967,951.98
  5. Step 5: Solve for x
    x = 91,840,967,951.98/345,547.84
  6. Step 6: Final answer
    x = 265,783.66

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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.