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Finding the Fourth Proportional to 314,928,696.60, 472,393,044.90 and 265,044,101.40

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Solution

The fourth proportional to 314,928,696.60, 472,393,044.90 and 265,044,101.40 is: 397,566,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,696.60 : 472,393,044.90 = 265,044,101.40 : x
  2. Step 2: Convert to fraction form
    314,928,696.60/472,393,044.90 = 265,044,101.40/x
  3. Step 3: Cross multiply
    314,928,696.60x = 472,393,044.90 × 265,044,101.40
  4. Step 4: Simplify right side
    314,928,696.60x = 125,204,990,093,130,352
  5. Step 5: Solve for x
    x = 125,204,990,093,130,352/314,928,696.60
  6. Step 6: Final answer
    x = 397,566,152.10

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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.