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Finding the Fourth Proportional to 616,056.80, 924,085.20 and 549,134.60

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Solution

The fourth proportional to 616,056.80, 924,085.20 and 549,134.60 is: 823,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,056.80 : 924,085.20 = 549,134.60 : x
  2. Step 2: Convert to fraction form
    616,056.80/924,085.20 = 549,134.60/x
  3. Step 3: Cross multiply
    616,056.80x = 924,085.20 × 549,134.60
  4. Step 4: Simplify right side
    616,056.80x = 507,447,156,667.92
  5. Step 5: Solve for x
    x = 507,447,156,667.92/616,056.80
  6. Step 6: Final answer
    x = 823,701.90

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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.