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Finding the Fourth Proportional to 352,602, 528,903.04 and 89,946

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Solution

The fourth proportional to 352,602, 528,903.04 and 89,946 is: 134,919.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,602 : 528,903.04 = 89,946 : x
  2. Step 2: Convert to fraction form
    352,602/528,903.04 = 89,946/x
  3. Step 3: Cross multiply
    352,602x = 528,903.04 × 89,946
  4. Step 4: Simplify right side
    352,602x = 47,572,712,835.84
  5. Step 5: Solve for x
    x = 47,572,712,835.84/352,602
  6. Step 6: Final answer
    x = 134,919.01

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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.