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Finding the Fourth Proportional to 570,941.31, 787,841.60 and 316,244.91

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Solution

The fourth proportional to 570,941.31, 787,841.60 and 316,244.91 is: 436,386.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,941.31 : 787,841.60 = 316,244.91 : x
  2. Step 2: Convert to fraction form
    570,941.31/787,841.60 = 316,244.91/x
  3. Step 3: Cross multiply
    570,941.31x = 787,841.60 × 316,244.91
  4. Step 4: Simplify right side
    570,941.31x = 249,150,894,305.03
  5. Step 5: Solve for x
    x = 249,150,894,305.03/570,941.31
  6. Step 6: Final answer
    x = 436,386.17

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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.