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Finding the Fourth Proportional to 530,054.55, 793,075.50 and 314,029.29

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Solution

The fourth proportional to 530,054.55, 793,075.50 and 314,029.29 is: 469,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,054.55 : 793,075.50 = 314,029.29 : x
  2. Step 2: Convert to fraction form
    530,054.55/793,075.50 = 314,029.29/x
  3. Step 3: Cross multiply
    530,054.55x = 793,075.50 × 314,029.29
  4. Step 4: Simplify right side
    530,054.55x = 249,048,936,181.40
  5. Step 5: Solve for x
    x = 249,048,936,181.40/530,054.55
  6. Step 6: Final answer
    x = 469,855.29

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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.