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Finding the Fourth Proportional to 692,759,579.60, 955,242,105 and 441,465,892.40

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Solution

The fourth proportional to 692,759,579.60, 955,242,105 and 441,465,892.40 is: 608,734,719.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,759,579.60 : 955,242,105 = 441,465,892.40 : x
  2. Step 2: Convert to fraction form
    692,759,579.60/955,242,105 = 441,465,892.40/x
  3. Step 3: Cross multiply
    692,759,579.60x = 955,242,105 × 441,465,892.40
  4. Step 4: Simplify right side
    692,759,579.60x = 421,706,808,341,879,488
  5. Step 5: Solve for x
    x = 421,706,808,341,879,488/692,759,579.60
  6. Step 6: Final answer
    x = 608,734,719.46

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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.