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Finding the Fourth Proportional to 630,622.90, 945,934.35 and 572,562.10

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Solution

The fourth proportional to 630,622.90, 945,934.35 and 572,562.10 is: 858,843.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,622.90 : 945,934.35 = 572,562.10 : x
  2. Step 2: Convert to fraction form
    630,622.90/945,934.35 = 572,562.10/x
  3. Step 3: Cross multiply
    630,622.90x = 945,934.35 × 572,562.10
  4. Step 4: Simplify right side
    630,622.90x = 541,606,157,898.14
  5. Step 5: Solve for x
    x = 541,606,157,898.14/630,622.90
  6. Step 6: Final answer
    x = 858,843.15

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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.