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Finding the Fourth Proportional to 464,348.53, 640,808.31 and 260,444.80

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Solution

The fourth proportional to 464,348.53, 640,808.31 and 260,444.80 is: 359,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,348.53 : 640,808.31 = 260,444.80 : x
  2. Step 2: Convert to fraction form
    464,348.53/640,808.31 = 260,444.80/x
  3. Step 3: Cross multiply
    464,348.53x = 640,808.31 × 260,444.80
  4. Step 4: Simplify right side
    464,348.53x = 166,895,192,136.29
  5. Step 5: Solve for x
    x = 166,895,192,136.29/464,348.53
  6. Step 6: Final answer
    x = 359,417.94

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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.