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Finding the Fourth Proportional to 685,798.29, 948,206.76 and 600,670.53

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Solution

The fourth proportional to 685,798.29, 948,206.76 and 600,670.53 is: 830,506.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,798.29 : 948,206.76 = 600,670.53 : x
  2. Step 2: Convert to fraction form
    685,798.29/948,206.76 = 600,670.53/x
  3. Step 3: Cross multiply
    685,798.29x = 948,206.76 × 600,670.53
  4. Step 4: Simplify right side
    685,798.29x = 569,559,857,078.78
  5. Step 5: Solve for x
    x = 569,559,857,078.78/685,798.29
  6. Step 6: Final answer
    x = 830,506.38

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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.