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Finding the Fourth Proportional to 556,602.24, 768,058.56 and 314,855.04

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Solution

The fourth proportional to 556,602.24, 768,058.56 and 314,855.04 is: 434,470.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,602.24 : 768,058.56 = 314,855.04 : x
  2. Step 2: Convert to fraction form
    556,602.24/768,058.56 = 314,855.04/x
  3. Step 3: Cross multiply
    556,602.24x = 768,058.56 × 314,855.04
  4. Step 4: Simplify right side
    556,602.24x = 241,827,108,631.14
  5. Step 5: Solve for x
    x = 241,827,108,631.14/556,602.24
  6. Step 6: Final answer
    x = 434,470.24

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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.