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Finding the Fourth Proportional to 536,945.64, 740,923.62 and 429,476.52

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Solution

The fourth proportional to 536,945.64, 740,923.62 and 429,476.52 is: 592,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,945.64 : 740,923.62 = 429,476.52 : x
  2. Step 2: Convert to fraction form
    536,945.64/740,923.62 = 429,476.52/x
  3. Step 3: Cross multiply
    536,945.64x = 740,923.62 × 429,476.52
  4. Step 4: Simplify right side
    536,945.64x = 318,209,297,903.40
  5. Step 5: Solve for x
    x = 318,209,297,903.40/536,945.64
  6. Step 6: Final answer
    x = 592,628.52

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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.