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Finding the Fourth Proportional to 480,802.79, 663,463.33 and 265,938.23

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Solution

The fourth proportional to 480,802.79, 663,463.33 and 265,938.23 is: 366,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,802.79 : 663,463.33 = 265,938.23 : x
  2. Step 2: Convert to fraction form
    480,802.79/663,463.33 = 265,938.23/x
  3. Step 3: Cross multiply
    480,802.79x = 663,463.33 × 265,938.23
  4. Step 4: Simplify right side
    480,802.79x = 176,440,264,643.92
  5. Step 5: Solve for x
    x = 176,440,264,643.92/480,802.79
  6. Step 6: Final answer
    x = 366,970.13

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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.