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Finding the Fourth Proportional to 641,337,662.60, 962,573,364.30 and 549,504,657.80

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Solution

The fourth proportional to 641,337,662.60, 962,573,364.30 and 549,504,657.80 is: 824,742,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,337,662.60 : 962,573,364.30 = 549,504,657.80 : x
  2. Step 2: Convert to fraction form
    641,337,662.60/962,573,364.30 = 549,504,657.80/x
  3. Step 3: Cross multiply
    641,337,662.60x = 962,573,364.30 × 549,504,657.80
  4. Step 4: Simplify right side
    641,337,662.60x = 528,938,547,157,066,176
  5. Step 5: Solve for x
    x = 528,938,547,157,066,176/641,337,662.60
  6. Step 6: Final answer
    x = 824,742,687.05

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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.