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Finding the Fourth Proportional to 440,340.95, 607,670.48 and 249,391.25

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Solution

The fourth proportional to 440,340.95, 607,670.48 and 249,391.25 is: 344,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,340.95 : 607,670.48 = 249,391.25 : x
  2. Step 2: Convert to fraction form
    440,340.95/607,670.48 = 249,391.25/x
  3. Step 3: Cross multiply
    440,340.95x = 607,670.48 × 249,391.25
  4. Step 4: Simplify right side
    440,340.95x = 151,547,696,309.99
  5. Step 5: Solve for x
    x = 151,547,696,309.99/440,340.95
  6. Step 6: Final answer
    x = 344,159.90

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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.