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Finding the Fourth Proportional to 710,738.46, 980,254.76 and 536,888.75

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Solution

The fourth proportional to 710,738.46, 980,254.76 and 536,888.75 is: 740,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,738.46 : 980,254.76 = 536,888.75 : x
  2. Step 2: Convert to fraction form
    710,738.46/980,254.76 = 536,888.75/x
  3. Step 3: Cross multiply
    710,738.46x = 980,254.76 × 536,888.75
  4. Step 4: Simplify right side
    710,738.46x = 526,287,745,192.23
  5. Step 5: Solve for x
    x = 526,287,745,192.23/710,738.46
  6. Step 6: Final answer
    x = 740,480.18

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Double scale
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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.