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Finding the Fourth Proportional to 710,278.58, 980,507.14 and 452,509.02

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Solution

The fourth proportional to 710,278.58, 980,507.14 and 452,509.02 is: 624,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,278.58 : 980,507.14 = 452,509.02 : x
  2. Step 2: Convert to fraction form
    710,278.58/980,507.14 = 452,509.02/x
  3. Step 3: Cross multiply
    710,278.58x = 980,507.14 × 452,509.02
  4. Step 4: Simplify right side
    710,278.58x = 443,688,325,024.40
  5. Step 5: Solve for x
    x = 443,688,325,024.40/710,278.58
  6. Step 6: Final answer
    x = 624,668.04

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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.