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Finding the Fourth Proportional to 623,063.83, 859,827 and 336,583.03

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Solution

The fourth proportional to 623,063.83, 859,827 and 336,583.03 is: 464,484.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,063.83 : 859,827 = 336,583.03 : x
  2. Step 2: Convert to fraction form
    623,063.83/859,827 = 336,583.03/x
  3. Step 3: Cross multiply
    623,063.83x = 859,827 × 336,583.03
  4. Step 4: Simplify right side
    623,063.83x = 289,403,176,935.81
  5. Step 5: Solve for x
    x = 289,403,176,935.81/623,063.83
  6. Step 6: Final answer
    x = 464,484.00

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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.