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Finding the Fourth Proportional to 463,971,377.60, 695,359,869.60 and 355,729,457.60

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Solution

The fourth proportional to 463,971,377.60, 695,359,869.60 and 355,729,457.60 is: 533,136,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,971,377.60 : 695,359,869.60 = 355,729,457.60 : x
  2. Step 2: Convert to fraction form
    463,971,377.60/695,359,869.60 = 355,729,457.60/x
  3. Step 3: Cross multiply
    463,971,377.60x = 695,359,869.60 × 355,729,457.60
  4. Step 4: Simplify right side
    463,971,377.60x = 247,359,989,249,614,752
  5. Step 5: Solve for x
    x = 247,359,989,249,614,752/463,971,377.60
  6. Step 6: Final answer
    x = 533,136,312.26

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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.