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Finding the Fourth Proportional to 664,985.10, 933,341.10 and 664,985.10

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Solution

The fourth proportional to 664,985.10, 933,341.10 and 664,985.10 is: 933,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,985.10 : 933,341.10 = 664,985.10 : x
  2. Step 2: Convert to fraction form
    664,985.10/933,341.10 = 664,985.10/x
  3. Step 3: Cross multiply
    664,985.10x = 933,341.10 × 664,985.10
  4. Step 4: Simplify right side
    664,985.10x = 620,657,924,717.61
  5. Step 5: Solve for x
    x = 620,657,924,717.61/664,985.10
  6. Step 6: Final answer
    x = 933,341.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.