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Finding the Fourth Proportional to 532,478,498.58, 798,803,574.12 and 164,013,279.48

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Solution

The fourth proportional to 532,478,498.58, 798,803,574.12 and 164,013,279.48 is: 246,046,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,478,498.58 : 798,803,574.12 = 164,013,279.48 : x
  2. Step 2: Convert to fraction form
    532,478,498.58/798,803,574.12 = 164,013,279.48/x
  3. Step 3: Cross multiply
    532,478,498.58x = 798,803,574.12 × 164,013,279.48
  4. Step 4: Simplify right side
    532,478,498.58x = 131,014,393,851,766,448
  5. Step 5: Solve for x
    x = 131,014,393,851,766,448/532,478,498.58
  6. Step 6: Final answer
    x = 246,046,355.30

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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.