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Finding the Fourth Proportional to 580,643,139.60, 870,964,709.40 and 375,058,141.20

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Solution

The fourth proportional to 580,643,139.60, 870,964,709.40 and 375,058,141.20 is: 562,587,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,643,139.60 : 870,964,709.40 = 375,058,141.20 : x
  2. Step 2: Convert to fraction form
    580,643,139.60/870,964,709.40 = 375,058,141.20/x
  3. Step 3: Cross multiply
    580,643,139.60x = 870,964,709.40 × 375,058,141.20
  4. Step 4: Simplify right side
    580,643,139.60x = 326,662,404,958,362,176
  5. Step 5: Solve for x
    x = 326,662,404,958,362,176/580,643,139.60
  6. Step 6: Final answer
    x = 562,587,211.80

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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.