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Finding the Fourth Proportional to 569,771,424.60, 854,657,136.90 and 477,938,419.80

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Solution

The fourth proportional to 569,771,424.60, 854,657,136.90 and 477,938,419.80 is: 716,907,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,771,424.60 : 854,657,136.90 = 477,938,419.80 : x
  2. Step 2: Convert to fraction form
    569,771,424.60/854,657,136.90 = 477,938,419.80/x
  3. Step 3: Cross multiply
    569,771,424.60x = 854,657,136.90 × 477,938,419.80
  4. Step 4: Simplify right side
    569,771,424.60x = 408,473,481,480,778,240
  5. Step 5: Solve for x
    x = 408,473,481,480,778,240/569,771,424.60
  6. Step 6: Final answer
    x = 716,907,629.70

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Double scale
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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.