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Finding the Fourth Proportional to 536,258.95, 740,043.41 and 294,547.12

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Solution

The fourth proportional to 536,258.95, 740,043.41 and 294,547.12 is: 406,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,258.95 : 740,043.41 = 294,547.12 : x
  2. Step 2: Convert to fraction form
    536,258.95/740,043.41 = 294,547.12/x
  3. Step 3: Cross multiply
    536,258.95x = 740,043.41 × 294,547.12
  4. Step 4: Simplify right side
    536,258.95x = 217,977,651,767.64
  5. Step 5: Solve for x
    x = 217,977,651,767.64/536,258.95
  6. Step 6: Final answer
    x = 406,478.35

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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.