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Finding the Fourth Proportional to 579,248.60, 866,904.60 and 508,389.80

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Solution

The fourth proportional to 579,248.60, 866,904.60 and 508,389.80 is: 760,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,248.60 : 866,904.60 = 508,389.80 : x
  2. Step 2: Convert to fraction form
    579,248.60/866,904.60 = 508,389.80/x
  3. Step 3: Cross multiply
    579,248.60x = 866,904.60 × 508,389.80
  4. Step 4: Simplify right side
    579,248.60x = 440,725,456,213.08
  5. Step 5: Solve for x
    x = 440,725,456,213.08/579,248.60
  6. Step 6: Final answer
    x = 760,857.18

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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.