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Finding the Fourth Proportional to 614,296.20, 921,444.30 and 549,342.30

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Solution

The fourth proportional to 614,296.20, 921,444.30 and 549,342.30 is: 824,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,296.20 : 921,444.30 = 549,342.30 : x
  2. Step 2: Convert to fraction form
    614,296.20/921,444.30 = 549,342.30/x
  3. Step 3: Cross multiply
    614,296.20x = 921,444.30 × 549,342.30
  4. Step 4: Simplify right side
    614,296.20x = 506,188,331,083.89
  5. Step 5: Solve for x
    x = 506,188,331,083.89/614,296.20
  6. Step 6: Final answer
    x = 824,013.45

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Similar ratio
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1.5x scale

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.