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Finding the Fourth Proportional to 615,985,709.50, 850,060,275.06 and 337,521,254.32

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Solution

The fourth proportional to 615,985,709.50, 850,060,275.06 and 337,521,254.32 is: 465,779,328.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,985,709.50 : 850,060,275.06 = 337,521,254.32 : x
  2. Step 2: Convert to fraction form
    615,985,709.50/850,060,275.06 = 337,521,254.32/x
  3. Step 3: Cross multiply
    615,985,709.50x = 850,060,275.06 × 337,521,254.32
  4. Step 4: Simplify right side
    615,985,709.50x = 286,913,410,285,855,392
  5. Step 5: Solve for x
    x = 286,913,410,285,855,392/615,985,709.50
  6. Step 6: Final answer
    x = 465,779,328.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.