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Finding the Fourth Proportional to 523,063, 784,711.14 and 190,639

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Solution

The fourth proportional to 523,063, 784,711.14 and 190,639 is: 286,001.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,063 : 784,711.14 = 190,639 : x
  2. Step 2: Convert to fraction form
    523,063/784,711.14 = 190,639/x
  3. Step 3: Cross multiply
    523,063x = 784,711.14 × 190,639
  4. Step 4: Simplify right side
    523,063x = 149,596,547,018.46
  5. Step 5: Solve for x
    x = 149,596,547,018.46/523,063
  6. Step 6: Final answer
    x = 286,001.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.