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Finding the Fourth Proportional to 549,703.20, 822,999.60 and 549,703.20

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Solution

The fourth proportional to 549,703.20, 822,999.60 and 549,703.20 is: 822,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,703.20 : 822,999.60 = 549,703.20 : x
  2. Step 2: Convert to fraction form
    549,703.20/822,999.60 = 549,703.20/x
  3. Step 3: Cross multiply
    549,703.20x = 822,999.60 × 549,703.20
  4. Step 4: Simplify right side
    549,703.20x = 452,405,513,718.72
  5. Step 5: Solve for x
    x = 452,405,513,718.72/549,703.20
  6. Step 6: Final answer
    x = 822,999.60

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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.