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Finding the Fourth Proportional to 668,364.24, 997,656.35 and 574,199.55

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Solution

The fourth proportional to 668,364.24, 997,656.35 and 574,199.55 is: 857,098.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,364.24 : 997,656.35 = 574,199.55 : x
  2. Step 2: Convert to fraction form
    668,364.24/997,656.35 = 574,199.55/x
  3. Step 3: Cross multiply
    668,364.24x = 997,656.35 × 574,199.55
  4. Step 4: Simplify right side
    668,364.24x = 572,853,824,353.65
  5. Step 5: Solve for x
    x = 572,853,824,353.65/668,364.24
  6. Step 6: Final answer
    x = 857,098.25

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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.