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Finding the Fourth Proportional to 581,723,233.60, 872,584,850.40 and 545,891,425.60

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Solution

The fourth proportional to 581,723,233.60, 872,584,850.40 and 545,891,425.60 is: 818,837,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,723,233.60 : 872,584,850.40 = 545,891,425.60 : x
  2. Step 2: Convert to fraction form
    581,723,233.60/872,584,850.40 = 545,891,425.60/x
  3. Step 3: Cross multiply
    581,723,233.60x = 872,584,850.40 × 545,891,425.60
  4. Step 4: Simplify right side
    581,723,233.60x = 476,336,587,941,818,752
  5. Step 5: Solve for x
    x = 476,336,587,941,818,752/581,723,233.60
  6. Step 6: Final answer
    x = 818,837,138.40

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Double scale
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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.