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Finding the Fourth Proportional to 583,816.40, 873,881.40 and 565,384.40

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Solution

The fourth proportional to 583,816.40, 873,881.40 and 565,384.40 is: 846,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,816.40 : 873,881.40 = 565,384.40 : x
  2. Step 2: Convert to fraction form
    583,816.40/873,881.40 = 565,384.40/x
  3. Step 3: Cross multiply
    583,816.40x = 873,881.40 × 565,384.40
  4. Step 4: Simplify right side
    583,816.40x = 494,078,911,010.16
  5. Step 5: Solve for x
    x = 494,078,911,010.16/583,816.40
  6. Step 6: Final answer
    x = 846,291.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.