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Finding the Fourth Proportional to 693,505.04, 956,773.16 and 512,651.10

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Solution

The fourth proportional to 693,505.04, 956,773.16 and 512,651.10 is: 707,263.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,505.04 : 956,773.16 = 512,651.10 : x
  2. Step 2: Convert to fraction form
    693,505.04/956,773.16 = 512,651.10/x
  3. Step 3: Cross multiply
    693,505.04x = 956,773.16 × 512,651.10
  4. Step 4: Simplify right side
    693,505.04x = 490,490,812,924.48
  5. Step 5: Solve for x
    x = 490,490,812,924.48/693,505.04
  6. Step 6: Final answer
    x = 707,263.52

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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.