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Finding the Fourth Proportional to 430,136, 593,587.68 and 241,720

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Solution

The fourth proportional to 430,136, 593,587.68 and 241,720 is: 333,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,136 : 593,587.68 = 241,720 : x
  2. Step 2: Convert to fraction form
    430,136/593,587.68 = 241,720/x
  3. Step 3: Cross multiply
    430,136x = 593,587.68 × 241,720
  4. Step 4: Simplify right side
    430,136x = 143,482,014,009.60
  5. Step 5: Solve for x
    x = 143,482,014,009.60/430,136
  6. Step 6: Final answer
    x = 333,573.60

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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.