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Finding the Fourth Proportional to 556,203.19, 767,539.10 and 314,490.82

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Solution

The fourth proportional to 556,203.19, 767,539.10 and 314,490.82 is: 433,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,203.19 : 767,539.10 = 314,490.82 : x
  2. Step 2: Convert to fraction form
    556,203.19/767,539.10 = 314,490.82/x
  3. Step 3: Cross multiply
    556,203.19x = 767,539.10 × 314,490.82
  4. Step 4: Simplify right side
    556,203.19x = 241,384,000,941.06
  5. Step 5: Solve for x
    x = 241,384,000,941.06/556,203.19
  6. Step 6: Final answer
    x = 433,985.29

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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.