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Finding the Fourth Proportional to 562,744.66, 776,375.61 and 369,259.06

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Solution

The fourth proportional to 562,744.66, 776,375.61 and 369,259.06 is: 509,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,744.66 : 776,375.61 = 369,259.06 : x
  2. Step 2: Convert to fraction form
    562,744.66/776,375.61 = 369,259.06/x
  3. Step 3: Cross multiply
    562,744.66x = 776,375.61 × 369,259.06
  4. Step 4: Simplify right side
    562,744.66x = 286,683,727,955.53
  5. Step 5: Solve for x
    x = 286,683,727,955.53/562,744.66
  6. Step 6: Final answer
    x = 509,438.38

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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.