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Finding the Fourth Proportional to 651,068.59, 898,786.17 and 433,639.11

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Solution

The fourth proportional to 651,068.59, 898,786.17 and 433,639.11 is: 598,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,068.59 : 898,786.17 = 433,639.11 : x
  2. Step 2: Convert to fraction form
    651,068.59/898,786.17 = 433,639.11/x
  3. Step 3: Cross multiply
    651,068.59x = 898,786.17 × 433,639.11
  4. Step 4: Simplify right side
    651,068.59x = 389,748,834,839.11
  5. Step 5: Solve for x
    x = 389,748,834,839.11/651,068.59
  6. Step 6: Final answer
    x = 598,629.45

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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.