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Finding the Fourth Proportional to 562,075.65, 775,682.87 and 307,426.84

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Solution

The fourth proportional to 562,075.65, 775,682.87 and 307,426.84 is: 424,259.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,075.65 : 775,682.87 = 307,426.84 : x
  2. Step 2: Convert to fraction form
    562,075.65/775,682.87 = 307,426.84/x
  3. Step 3: Cross multiply
    562,075.65x = 775,682.87 × 307,426.84
  4. Step 4: Simplify right side
    562,075.65x = 238,465,730,089.89
  5. Step 5: Solve for x
    x = 238,465,730,089.89/562,075.65
  6. Step 6: Final answer
    x = 424,259.14

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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.