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Finding the Fourth Proportional to 418,794.84, 626,607.02 and 248,108.20

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Solution

The fourth proportional to 418,794.84, 626,607.02 and 248,108.20 is: 371,223.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,794.84 : 626,607.02 = 248,108.20 : x
  2. Step 2: Convert to fraction form
    418,794.84/626,607.02 = 248,108.20/x
  3. Step 3: Cross multiply
    418,794.84x = 626,607.02 × 248,108.20
  4. Step 4: Simplify right side
    418,794.84x = 155,466,337,032.51
  5. Step 5: Solve for x
    x = 155,466,337,032.51/418,794.84
  6. Step 6: Final answer
    x = 371,223.15

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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.