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Finding the Fourth Proportional to 601,175.45, 829,223.11 and 386,587.01

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Solution

The fourth proportional to 601,175.45, 829,223.11 and 386,587.01 is: 533,233.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,175.45 : 829,223.11 = 386,587.01 : x
  2. Step 2: Convert to fraction form
    601,175.45/829,223.11 = 386,587.01/x
  3. Step 3: Cross multiply
    601,175.45x = 829,223.11 × 386,587.01
  4. Step 4: Simplify right side
    601,175.45x = 320,566,880,784.87
  5. Step 5: Solve for x
    x = 320,566,880,784.87/601,175.45
  6. Step 6: Final answer
    x = 533,233.49

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Double scale
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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.