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Finding the Fourth Proportional to 531,521.99, 797,656.59 and 480,702.94

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Solution

The fourth proportional to 531,521.99, 797,656.59 and 480,702.94 is: 721,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,521.99 : 797,656.59 = 480,702.94 : x
  2. Step 2: Convert to fraction form
    531,521.99/797,656.59 = 480,702.94/x
  3. Step 3: Cross multiply
    531,521.99x = 797,656.59 × 480,702.94
  4. Step 4: Simplify right side
    531,521.99x = 383,435,870,984.32
  5. Step 5: Solve for x
    x = 383,435,870,984.32/531,521.99
  6. Step 6: Final answer
    x = 721,392.30

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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.