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Finding the Fourth Proportional to 536,457.53, 740,003.40 and 334,903.61

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Solution

The fourth proportional to 536,457.53, 740,003.40 and 334,903.61 is: 461,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,457.53 : 740,003.40 = 334,903.61 : x
  2. Step 2: Convert to fraction form
    536,457.53/740,003.40 = 334,903.61/x
  3. Step 3: Cross multiply
    536,457.53x = 740,003.40 × 334,903.61
  4. Step 4: Simplify right side
    536,457.53x = 247,829,806,372.26
  5. Step 5: Solve for x
    x = 247,829,806,372.26/536,457.53
  6. Step 6: Final answer
    x = 461,974.70

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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.