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Finding the Fourth Proportional to 575,830.80, 794,401.56 and 360,824.40

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Solution

The fourth proportional to 575,830.80, 794,401.56 and 360,824.40 is: 497,784.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,830.80 : 794,401.56 = 360,824.40 : x
  2. Step 2: Convert to fraction form
    575,830.80/794,401.56 = 360,824.40/x
  3. Step 3: Cross multiply
    575,830.80x = 794,401.56 × 360,824.40
  4. Step 4: Simplify right side
    575,830.80x = 286,639,466,246.06
  5. Step 5: Solve for x
    x = 286,639,466,246.06/575,830.80
  6. Step 6: Final answer
    x = 497,784.19

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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.