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Finding the Fourth Proportional to 503,547.27, 695,041.97 and 329,142.80

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Solution

The fourth proportional to 503,547.27, 695,041.97 and 329,142.80 is: 454,312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,547.27 : 695,041.97 = 329,142.80 : x
  2. Step 2: Convert to fraction form
    503,547.27/695,041.97 = 329,142.80/x
  3. Step 3: Cross multiply
    503,547.27x = 695,041.97 × 329,142.80
  4. Step 4: Simplify right side
    503,547.27x = 228,768,060,215.21
  5. Step 5: Solve for x
    x = 228,768,060,215.21/503,547.27
  6. Step 6: Final answer
    x = 454,312.98

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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.