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Finding the Fourth Proportional to 535,695.65, 798,810.55 and 530,887.49

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Solution

The fourth proportional to 535,695.65, 798,810.55 and 530,887.49 is: 791,640.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,695.65 : 798,810.55 = 530,887.49 : x
  2. Step 2: Convert to fraction form
    535,695.65/798,810.55 = 530,887.49/x
  3. Step 3: Cross multiply
    535,695.65x = 798,810.55 × 530,887.49
  4. Step 4: Simplify right side
    535,695.65x = 424,078,525,220.58
  5. Step 5: Solve for x
    x = 424,078,525,220.58/535,695.65
  6. Step 6: Final answer
    x = 791,640.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.