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Finding the Fourth Proportional to 604,787.84, 907,190.40 and 210,803.84

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Solution

The fourth proportional to 604,787.84, 907,190.40 and 210,803.84 is: 316,208.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,787.84 : 907,190.40 = 210,803.84 : x
  2. Step 2: Convert to fraction form
    604,787.84/907,190.40 = 210,803.84/x
  3. Step 3: Cross multiply
    604,787.84x = 907,190.40 × 210,803.84
  4. Step 4: Simplify right side
    604,787.84x = 191,239,219,931.14
  5. Step 5: Solve for x
    x = 191,239,219,931.14/604,787.84
  6. Step 6: Final answer
    x = 316,208.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.