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Finding the Fourth Proportional to 651,874.51, 977,611.61 and 450,762.81

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Solution

The fourth proportional to 651,874.51, 977,611.61 and 450,762.81 is: 676,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,874.51 : 977,611.61 = 450,762.81 : x
  2. Step 2: Convert to fraction form
    651,874.51/977,611.61 = 450,762.81/x
  3. Step 3: Cross multiply
    651,874.51x = 977,611.61 × 450,762.81
  4. Step 4: Simplify right side
    651,874.51x = 440,670,949,270.35
  5. Step 5: Solve for x
    x = 440,670,949,270.35/651,874.51
  6. Step 6: Final answer
    x = 676,005.80

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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.