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Finding the Fourth Proportional to 556,140.93, 767,467.58 and 326,719.13

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Solution

The fourth proportional to 556,140.93, 767,467.58 and 326,719.13 is: 450,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,140.93 : 767,467.58 = 326,719.13 : x
  2. Step 2: Convert to fraction form
    556,140.93/767,467.58 = 326,719.13/x
  3. Step 3: Cross multiply
    556,140.93x = 767,467.58 × 326,719.13
  4. Step 4: Simplify right side
    556,140.93x = 250,746,334,569.87
  5. Step 5: Solve for x
    x = 250,746,334,569.87/556,140.93
  6. Step 6: Final answer
    x = 450,868.34

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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.