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Finding the Fourth Proportional to 507,908.60, 761,869.38 and 350,094.68

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Solution

The fourth proportional to 507,908.60, 761,869.38 and 350,094.68 is: 525,146.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,908.60 : 761,869.38 = 350,094.68 : x
  2. Step 2: Convert to fraction form
    507,908.60/761,869.38 = 350,094.68/x
  3. Step 3: Cross multiply
    507,908.60x = 761,869.38 × 350,094.68
  4. Step 4: Simplify right side
    507,908.60x = 266,726,416,792.90
  5. Step 5: Solve for x
    x = 266,726,416,792.90/507,908.60
  6. Step 6: Final answer
    x = 525,146.49

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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.