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Finding the Fourth Proportional to 510,075.07, 765,155.44 and 155,092.16

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Solution

The fourth proportional to 510,075.07, 765,155.44 and 155,092.16 is: 232,651.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,075.07 : 765,155.44 = 155,092.16 : x
  2. Step 2: Convert to fraction form
    510,075.07/765,155.44 = 155,092.16/x
  3. Step 3: Cross multiply
    510,075.07x = 765,155.44 × 155,092.16
  4. Step 4: Simplify right side
    510,075.07x = 118,669,609,925.35
  5. Step 5: Solve for x
    x = 118,669,609,925.35/510,075.07
  6. Step 6: Final answer
    x = 232,651.26

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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.