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Finding the Fourth Proportional to 546,453.90, 754,457.76 and 374,657.76

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Solution

The fourth proportional to 546,453.90, 754,457.76 and 374,657.76 is: 517,268.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,453.90 : 754,457.76 = 374,657.76 : x
  2. Step 2: Convert to fraction form
    546,453.90/754,457.76 = 374,657.76/x
  3. Step 3: Cross multiply
    546,453.90x = 754,457.76 × 374,657.76
  4. Step 4: Simplify right side
    546,453.90x = 282,663,454,376.22
  5. Step 5: Solve for x
    x = 282,663,454,376.22/546,453.90
  6. Step 6: Final answer
    x = 517,268.62

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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.