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Finding the Fourth Proportional to 284,417.40, 426,510.90 and 97,332.60

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Solution

The fourth proportional to 284,417.40, 426,510.90 and 97,332.60 is: 145,959.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,417.40 : 426,510.90 = 97,332.60 : x
  2. Step 2: Convert to fraction form
    284,417.40/426,510.90 = 97,332.60/x
  3. Step 3: Cross multiply
    284,417.40x = 426,510.90 × 97,332.60
  4. Step 4: Simplify right side
    284,417.40x = 41,513,414,825.34
  5. Step 5: Solve for x
    x = 41,513,414,825.34/284,417.40
  6. Step 6: Final answer
    x = 145,959.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.