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Finding the Fourth Proportional to 735,806.16, 1,015,416.06 and 429,900

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Solution

The fourth proportional to 735,806.16, 1,015,416.06 and 429,900 is: 593,264.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,806.16 : 1,015,416.06 = 429,900 : x
  2. Step 2: Convert to fraction form
    735,806.16/1,015,416.06 = 429,900/x
  3. Step 3: Cross multiply
    735,806.16x = 1,015,416.06 × 429,900
  4. Step 4: Simplify right side
    735,806.16x = 436,527,364,194
  5. Step 5: Solve for x
    x = 436,527,364,194/735,806.16
  6. Step 6: Final answer
    x = 593,264.08

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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.