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Finding the Fourth Proportional to 583,304.10, 804,959.47 and 315,032.10

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Solution

The fourth proportional to 583,304.10, 804,959.47 and 315,032.10 is: 434,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,304.10 : 804,959.47 = 315,032.10 : x
  2. Step 2: Convert to fraction form
    583,304.10/804,959.47 = 315,032.10/x
  3. Step 3: Cross multiply
    583,304.10x = 804,959.47 × 315,032.10
  4. Step 4: Simplify right side
    583,304.10x = 253,588,072,248.99
  5. Step 5: Solve for x
    x = 253,588,072,248.99/583,304.10
  6. Step 6: Final answer
    x = 434,744.20

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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.