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Finding the Fourth Proportional to 651,984.84, 899,684.82 and 365,495.40

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Solution

The fourth proportional to 651,984.84, 899,684.82 and 365,495.40 is: 504,353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,984.84 : 899,684.82 = 365,495.40 : x
  2. Step 2: Convert to fraction form
    651,984.84/899,684.82 = 365,495.40/x
  3. Step 3: Cross multiply
    651,984.84x = 899,684.82 × 365,495.40
  4. Step 4: Simplify right side
    651,984.84x = 328,830,663,159.83
  5. Step 5: Solve for x
    x = 328,830,663,159.83/651,984.84
  6. Step 6: Final answer
    x = 504,353.23

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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.