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Finding the Fourth Proportional to 556,065.18, 767,403.04 and 314,370.24

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Solution

The fourth proportional to 556,065.18, 767,403.04 and 314,370.24 is: 433,849.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,065.18 : 767,403.04 = 314,370.24 : x
  2. Step 2: Convert to fraction form
    556,065.18/767,403.04 = 314,370.24/x
  3. Step 3: Cross multiply
    556,065.18x = 767,403.04 × 314,370.24
  4. Step 4: Simplify right side
    556,065.18x = 241,248,676,061.44
  5. Step 5: Solve for x
    x = 241,248,676,061.44/556,065.18
  6. Step 6: Final answer
    x = 433,849.64

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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.