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Finding the Fourth Proportional to 453,915.36, 626,398.08 and 249,962.16

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Solution

The fourth proportional to 453,915.36, 626,398.08 and 249,962.16 is: 344,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,915.36 : 626,398.08 = 249,962.16 : x
  2. Step 2: Convert to fraction form
    453,915.36/626,398.08 = 249,962.16/x
  3. Step 3: Cross multiply
    453,915.36x = 626,398.08 × 249,962.16
  4. Step 4: Simplify right side
    453,915.36x = 156,575,817,096.65
  5. Step 5: Solve for x
    x = 156,575,817,096.65/453,915.36
  6. Step 6: Final answer
    x = 344,944.96

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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.