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Finding the Fourth Proportional to 524,416.60, 787,013.70 and 346,864.60

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Solution

The fourth proportional to 524,416.60, 787,013.70 and 346,864.60 is: 520,554.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,416.60 : 787,013.70 = 346,864.60 : x
  2. Step 2: Convert to fraction form
    524,416.60/787,013.70 = 346,864.60/x
  3. Step 3: Cross multiply
    524,416.60x = 787,013.70 × 346,864.60
  4. Step 4: Simplify right side
    524,416.60x = 272,987,192,245.02
  5. Step 5: Solve for x
    x = 272,987,192,245.02/524,416.60
  6. Step 6: Final answer
    x = 520,554.06

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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.