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Finding the Fourth Proportional to 804,819,400.60, 1,207,229,100.90 and 571,016,853.40

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Solution

The fourth proportional to 804,819,400.60, 1,207,229,100.90 and 571,016,853.40 is: 856,525,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,819,400.60 : 1,207,229,100.90 = 571,016,853.40 : x
  2. Step 2: Convert to fraction form
    804,819,400.60/1,207,229,100.90 = 571,016,853.40/x
  3. Step 3: Cross multiply
    804,819,400.60x = 1,207,229,100.90 × 571,016,853.40
  4. Step 4: Simplify right side
    804,819,400.60x = 689,348,162,528,829,184
  5. Step 5: Solve for x
    x = 689,348,162,528,829,184/804,819,400.60
  6. Step 6: Final answer
    x = 856,525,280.10

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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.