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Finding the Fourth Proportional to 554,526.04, 765,210.30 and 316,046.68

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Solution

The fourth proportional to 554,526.04, 765,210.30 and 316,046.68 is: 436,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,526.04 : 765,210.30 = 316,046.68 : x
  2. Step 2: Convert to fraction form
    554,526.04/765,210.30 = 316,046.68/x
  3. Step 3: Cross multiply
    554,526.04x = 765,210.30 × 316,046.68
  4. Step 4: Simplify right side
    554,526.04x = 241,842,174,816.80
  5. Step 5: Solve for x
    x = 241,842,174,816.80/554,526.04
  6. Step 6: Final answer
    x = 436,124.11

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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.