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Finding the Fourth Proportional to 570,901.16, 787,891.59 and 316,276.04

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Solution

The fourth proportional to 570,901.16, 787,891.59 and 316,276.04 is: 436,487.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,901.16 : 787,891.59 = 316,276.04 : x
  2. Step 2: Convert to fraction form
    570,901.16/787,891.59 = 316,276.04/x
  3. Step 3: Cross multiply
    570,901.16x = 787,891.59 × 316,276.04
  4. Step 4: Simplify right side
    570,901.16x = 249,191,232,034.50
  5. Step 5: Solve for x
    x = 249,191,232,034.50/570,901.16
  6. Step 6: Final answer
    x = 436,487.52

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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.