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Finding the Fourth Proportional to 601,555.84, 830,091.90 and 346,857.88

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Solution

The fourth proportional to 601,555.84, 830,091.90 and 346,857.88 is: 478,632.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,555.84 : 830,091.90 = 346,857.88 : x
  2. Step 2: Convert to fraction form
    601,555.84/830,091.90 = 346,857.88/x
  3. Step 3: Cross multiply
    601,555.84x = 830,091.90 × 346,857.88
  4. Step 4: Simplify right side
    601,555.84x = 287,923,916,639.17
  5. Step 5: Solve for x
    x = 287,923,916,639.17/601,555.84
  6. Step 6: Final answer
    x = 478,632.07

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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.