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Finding the Fourth Proportional to 616,730.60, 925,095.90 and 549,079.40

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Solution

The fourth proportional to 616,730.60, 925,095.90 and 549,079.40 is: 823,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,730.60 : 925,095.90 = 549,079.40 : x
  2. Step 2: Convert to fraction form
    616,730.60/925,095.90 = 549,079.40/x
  3. Step 3: Cross multiply
    616,730.60x = 925,095.90 × 549,079.40
  4. Step 4: Simplify right side
    616,730.60x = 507,951,101,714.46
  5. Step 5: Solve for x
    x = 507,951,101,714.46/616,730.60
  6. Step 6: Final answer
    x = 823,619.10

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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.