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Finding the Fourth Proportional to 583,340.01, 805,009.23 and 315,068.01

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Solution

The fourth proportional to 583,340.01, 805,009.23 and 315,068.01 is: 434,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,340.01 : 805,009.23 = 315,068.01 : x
  2. Step 2: Convert to fraction form
    583,340.01/805,009.23 = 315,068.01/x
  3. Step 3: Cross multiply
    583,340.01x = 805,009.23 × 315,068.01
  4. Step 4: Simplify right side
    583,340.01x = 253,632,656,127.73
  5. Step 5: Solve for x
    x = 253,632,656,127.73/583,340.01
  6. Step 6: Final answer
    x = 434,793.86

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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.