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Finding the Fourth Proportional to 671,069.53, 926,075.96 and 369,263.53

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Solution

The fourth proportional to 671,069.53, 926,075.96 and 369,263.53 is: 509,583.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,069.53 : 926,075.96 = 369,263.53 : x
  2. Step 2: Convert to fraction form
    671,069.53/926,075.96 = 369,263.53/x
  3. Step 3: Cross multiply
    671,069.53x = 926,075.96 × 369,263.53
  4. Step 4: Simplify right side
    671,069.53x = 341,966,078,733.75
  5. Step 5: Solve for x
    x = 341,966,078,733.75/671,069.53
  6. Step 6: Final answer
    x = 509,583.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.