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Finding the Fourth Proportional to 556,322.93, 767,823.93 and 326,880.17

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Solution

The fourth proportional to 556,322.93, 767,823.93 and 326,880.17 is: 451,152.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,322.93 : 767,823.93 = 326,880.17 : x
  2. Step 2: Convert to fraction form
    556,322.93/767,823.93 = 326,880.17/x
  3. Step 3: Cross multiply
    556,322.93x = 767,823.93 × 326,880.17
  4. Step 4: Simplify right side
    556,322.93x = 250,986,415,808.69
  5. Step 5: Solve for x
    x = 250,986,415,808.69/556,322.93
  6. Step 6: Final answer
    x = 451,152.38

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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.