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Finding the Fourth Proportional to 608,479,543.80, 907,603,445.60 and 552,619,487.08

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Solution

The fourth proportional to 608,479,543.80, 907,603,445.60 and 552,619,487.08 is: 824,283,011.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,479,543.80 : 907,603,445.60 = 552,619,487.08 : x
  2. Step 2: Convert to fraction form
    608,479,543.80/907,603,445.60 = 552,619,487.08/x
  3. Step 3: Cross multiply
    608,479,543.80x = 907,603,445.60 × 552,619,487.08
  4. Step 4: Simplify right side
    608,479,543.80x = 501,559,350,579,512,704
  5. Step 5: Solve for x
    x = 501,559,350,579,512,704/608,479,543.80
  6. Step 6: Final answer
    x = 824,283,011.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.