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Finding the Fourth Proportional to 633,091.76, 873,666.22 and 346,611.77

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Solution

The fourth proportional to 633,091.76, 873,666.22 and 346,611.77 is: 478,324.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,091.76 : 873,666.22 = 346,611.77 : x
  2. Step 2: Convert to fraction form
    633,091.76/873,666.22 = 346,611.77/x
  3. Step 3: Cross multiply
    633,091.76x = 873,666.22 × 346,611.77
  4. Step 4: Simplify right side
    633,091.76x = 302,822,988,802.02
  5. Step 5: Solve for x
    x = 302,822,988,802.02/633,091.76
  6. Step 6: Final answer
    x = 478,324.01

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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.