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Finding the Fourth Proportional to 528,869,267.17, 793,307,281.28 and 155,375,625.52

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Solution

The fourth proportional to 528,869,267.17, 793,307,281.28 and 155,375,625.52 is: 233,064,431.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,869,267.17 : 793,307,281.28 = 155,375,625.52 : x
  2. Step 2: Convert to fraction form
    528,869,267.17/793,307,281.28 = 155,375,625.52/x
  3. Step 3: Cross multiply
    528,869,267.17x = 793,307,281.28 × 155,375,625.52
  4. Step 4: Simplify right side
    528,869,267.17x = 123,260,615,058,502,496
  5. Step 5: Solve for x
    x = 123,260,615,058,502,496/528,869,267.17
  6. Step 6: Final answer
    x = 233,064,431.44

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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.