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Finding the Fourth Proportional to 384,802.40, 577,203.58 and 104,312.36

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Solution

The fourth proportional to 384,802.40, 577,203.58 and 104,312.36 is: 156,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,802.40 : 577,203.58 = 104,312.36 : x
  2. Step 2: Convert to fraction form
    384,802.40/577,203.58 = 104,312.36/x
  3. Step 3: Cross multiply
    384,802.40x = 577,203.58 × 104,312.36
  4. Step 4: Simplify right side
    384,802.40x = 60,209,467,630.25
  5. Step 5: Solve for x
    x = 60,209,467,630.25/384,802.40
  6. Step 6: Final answer
    x = 156,468.53

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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.