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Finding the Fourth Proportional to 571,225.25, 788,290.85 and 316,592.84

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Solution

The fourth proportional to 571,225.25, 788,290.85 and 316,592.84 is: 436,898.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,225.25 : 788,290.85 = 316,592.84 : x
  2. Step 2: Convert to fraction form
    571,225.25/788,290.85 = 316,592.84/x
  3. Step 3: Cross multiply
    571,225.25x = 788,290.85 × 316,592.84
  4. Step 4: Simplify right side
    571,225.25x = 249,567,237,364.55
  5. Step 5: Solve for x
    x = 249,567,237,364.55/571,225.25
  6. Step 6: Final answer
    x = 436,898.12

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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.