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Finding the Fourth Proportional to 549,075.51, 757,636.94 and 307,368.27

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Solution

The fourth proportional to 549,075.51, 757,636.94 and 307,368.27 is: 424,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,075.51 : 757,636.94 = 307,368.27 : x
  2. Step 2: Convert to fraction form
    549,075.51/757,636.94 = 307,368.27/x
  3. Step 3: Cross multiply
    549,075.51x = 757,636.94 × 307,368.27
  4. Step 4: Simplify right side
    549,075.51x = 232,873,556,304.31
  5. Step 5: Solve for x
    x = 232,873,556,304.31/549,075.51
  6. Step 6: Final answer
    x = 424,119.36

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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.